A participant holds a sign with an Oscar Lopez Rivera quote in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People wave flags while participating in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
A participant holds a flag supporting Oscar Lopez Rivera in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
A woman's tattoo is seen in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera arrives at the annual Puerto Rican Day Parade with heavy security on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
A man burns sage while participating in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera (R) is swarmed by the media while participating in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People wave flags while participating in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist, Oscar Lopez Rivera, participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Mayor Bill de Blasio participates in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
People participate in the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
Political activist Oscar Lopez Rivera participates in the annual Puerto Rican Day Parade on 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
Annual Puerto Rican Day Parade Marches Up New York's Fifth Avenue
A member of the New York City police department stands guard during the annual Puerto Rican Day Parade marching up 5th Ave. on June 11, 2017 in New York City. Tensions were heightened at this year's parade due to the participation of Oscar Lopez Rivera, a former Armed Forces of National Liberation member who served 35 years in prison for seditious conspiracy. The FALN, a Puerto Rican nationalist group, was responsible for a string of bombings in the 1970s and 1980s. (Photo by Stephanie Keith/Getty Images)
