Police say the 21-year-old is the man seen on surveillance video inside a smoke shop on Malcolm X Boulevard pulling out a gun and shooting a 36-year-old man in the head, killing him.
Nantwi is also accused of shooting and killing a 19-year-old the day before.
Dave Carlin has covered major national news stories and events in the past four decades including Superstorm Sandy and its tri-state impacts, Hurricane Hugo in South Carolina and Iniki on Kauai, Hawaii. He also covered the Space Shuttle Program, 1989 San Francisco Earthquake, numerous Southern California wildfires, the trial and execution of serial killer Ted Bundy in Florida, the 1994 police shooting death of Tyke the eacaped Cirus Elephant on the streets of Honolulu, 2009's Miracle on the Hudson, the NYC Mayoral administrations of Bloomberg through Adams and more.