Authorities say the 16-year-old was discovered dead outside an apartment building at on Westchester Avenue.
The alleged crime happened on Sunday, October 14, around 11 a.m. Police say the 11-year-old female victim met with the suspect in Morrisania.
The victim then entered the bathroom and was raped, and the suspect fled the scene.
The girl went home and reported the incident. She was taken to the hospital to be treated for her injuries.