Description, clothing, tattoos, other identifying markings: A gray wool jacket, a David Bowie t-shirt with long white sleeves, black slacks, brown boots and a black Kangol cap.
Medical Conditions Simmons suffers from depression and post-traumatic stress disorder as a result of his combat experiences. He may be suicidal.
Other characteristics: African-American male. Black hair, brown eyes. Simmons's head was shaved at the time of his disappearance. He has a tattoo of the word "Harlem" on his left arm.
Details at time of disappearance: Simmons was last seen at the corner of 14th Street and Third Avenue in the New York City borough of Manhattan at 6:00 p.m. on November 30, 2014. He has never been heard from again. Few details are available in his case.
Simmons is an Iraq War veteran.