The four-minute video shows another passenger joining in to restrain Neely, who eventually goes completely limp.

Neely had gone unconscious on the floor of the F subway train in Lower Manhattan.

Neely was transported to a local hospital, where he was pronounced dead.

Jordan Neely death ruled homicide

Jordan Neely in 2009Getty Images

The NYPD says it is investigating the death, as is the Manhattan District Attorney.

WGA West building in Hollywood

Protestors at a vigil Wednesday in the Broadway-Lafayette subway station (Getty Images)