PHOTOS: Thousands Gather At Vigils For School Shooting Victims

Mourners hug after placing flowers on a makeshift memorial for the victims of Marjory Stoneman Douglas High School shooting in Parkland, Florida on February 15, 2018. A former student, Nikolas Cruz, opened fire at the Florida high school leaving 17 people dead and 15 injured. / AFP PHOTO / RHONA WISE (Photo credit should read RHONA WISE/AFP/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: Father of 14 year-old mass shooting victim, Fred Guttenberg cries as people gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

Thousands gathered for an evening vigil at Pine Trails Park in Parkland, Florida to remember those where were killed and injured in the shooting , on February 15, 2018 in Parkland, Florida.(Carolyn Cole/Los Angeles Times via Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL. - February 15:One day after the deadly shooting at Marjorie Stonemason Douglas High School in Parkland, Florida that left 17 dead and 14 injured, people gather for a memorial at Parkridge Church, on February 15, 2018 in Parkland, Florida.. A group of children gather around a therapy dog at the vigil. (Carolyn Cole/Los Angeles Times via Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

CORAL SPRINGS, FL. - February 15:One day after the deadly shooting at Marjorie Stonemason Douglas High School in Parkland, Florida that left 17 dead and 14 injured, people gather for a memorial at Parkridge Church in Coral Springs, Florida, where balloons were released at the end of the vigil. (Carolyn Cole/Los Angeles Times via Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: A woman holds a photo and candle as people gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: A woman holds banner as people gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: People light candles as they gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: People gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: People hold candles as they gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: A sky lantern is released as people gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: People gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: People lay flowers as they gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

Commemorative ceremony for Florida school shooting victims

BROWARD, UNITED STATES - FEBRUARY 15: People lay flowers as they gather at Pine Trails Park during a commemorative ceremony held for 17 people, who lost their lives in the school shooting at Marjory Stoneman Douglas High School, in Broward's Parkland, Florida on February 15, 2018. At least 17 people were killed on February 14, 2018, when a lone gunman opened fire on a Florida high school, according to police. The victims are a mix of students and adults, officials said. (Photo by Carlos Miller/Anadolu Agency/Getty Images)

School shooting at Marjory Stoneman Douglas High School - Coral Springs, FL

CORAL SPRINGS, FL - FEBRUARY 15: Tonya Kramer, center, embraces her daughter, Alyssa Kramer, 16, during a community prayer vigil for Marjory Stoneman Douglas High School shooting at Parkridge Church on Thursday February 15, 2018 in Coral Springs, FL. They both have children who attend the school. 17 people were killed in the mass shooting. (Photo by Matt McClain/The Washington Post via Getty Images)

School shooting at Marjory Stoneman Douglas High School - Parkland, FL

PARKLAND, FL - FEBRUARY 15: People gather for a candlelight vigil in honor of the victims of the Marjory Stoneman Douglas High School shooting on Thursday February 15, 2018 in Parkland, FL. 17 people were killed in the mass shooting. (Photo by Matt McClain/The Washington Post via Getty Images)

School shooting at Marjory Stoneman Douglas High School - Parkland, FL

People gather for a candlelight vigil in honor of the victims of the Marjory Stoneman Douglas High School shooting on Thursday February 15, 2018 in Parkland, FL. 17 people were killed in the mass shooting. (Photo by Matt McClain/The Washington Post via Getty Images)

School shooting at Marjory Stoneman Douglas High School - Parkland, FL

PARKLAND, FL - FEBRUARY 15: Marianna Guttierez, 14, center right, and other students of Marjory Stoneman Douglas High School gather with others for a candlelight vigil in honor of the victims of the school shooting on Thursday February 15, 2018 in Parkland, FL. 17 people were killed in the mass shooting. (Photo by Matt McClain/The Washington Post via Getty Images)

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PARKLAND, FL - FEBRUARY 16: Candles that were placed on crosses still glow after last nights vigil for victims of the mass shooting at Marjory Stoneman Douglas High School, at Pine Trail Park, on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former student Nikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 16: Candles still glow after last nights vigil for victims of the mass shooting at Marjory Stoneman Douglas High School, at Pine Trail Park, on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former studentÊNikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 16: Candles still glow after last nights vigil for victims of the mass shooting at Marjory Stoneman Douglas High School, at Pine Trail Park, on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former studentÊNikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 16: Candles that were placed on crosses still glow after last nights vigil for victims of the mass shooting at Marjory Stoneman Douglas High School, at Pine Trail Park, on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former student Nikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 16: Candles that were placed on crosses still glow after last nights vigil for victims of the mass shooting at Marjory Stoneman Douglas High School, at Pine Trail Park, on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former student Nikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 16: The sun rises behind an angel placed at Pine Trail Park to honor victims of the mass shooting at Marjory Stoneman Douglas High School, on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former student Nikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)

Florida Town Of Parkland In Mourning, After Shooting At Marjory Stoneman Douglas High School Kills 17

PARKLAND, FL - FEBRUARY 16: Flowers and candles are placed around a palm tree to honor victims of the mass shooting at Marjory Stoneman Douglas High School, at Pine Trail Park on February 16, 2018 in Parkland, Florida. Police arrested 19 year old former student Nikolas Cruz for killing 17 people at the high school. (Photo by Mark Wilson/Getty Images)