The drifter charged in the gruesome subway-pushing death that shocked the nation grew up on the streets of Philadelphia and had fetal alcohol syndrome.
Naeem Davis has been charged with the murder of subway-pushing victim Ki-Suck Han.
The man suspected of shoving Ki-Suk Han into the path of a Q train, killing him, is being questioned by New York Police.
Cops are scouring the city for this man. Watch the video of the argument he had with victim Ki Suk Han.