an amazing doc split up into 6 youtube clips with the embed disabled: 1,2,3,4,5,6.
here's his scene in taxi driver + the only embeddable scenes i could find of the doc:
"American Boy - A Profile of Steven Prince" is a 1978 documentary directed by Martin Scorsese. Its subject is Scorsese's friend Steven Prince, best known for his small role as Easy Andy, the gun salesman in Taxi Driver. Prince is a raconteur telling wild stories about his life as an ex-drug addict and a road manager for Neil Diamond. Scorsese intersperses home movies of Prince as a child as he talks about his family. When talking of his years as a heroin addict, Prince tells a story about injecting adrenaline into the heart of a woman who overdosed, with the help of a medical dictionary and a Magic Marker. This story was re-enacted by Quentin Tarantino in Pulp Fiction."