Jamaa Fanaka

The first of many in a series depicting the harrowing prison existence of a convict who uses his wits and fists to survive. Leon Isaac Kennedy's character is thrown deep into the bowels of the prison system, where the only consistent truth is kill or be killed... (Amazon.ca)

An ex-con on parole and trying to straighten his life out winds up back in prison when one of his prison enemies escapes and kills his girlfriend. (imdb)

A man is framed for murder and sent to prison. He is beaten and tortured, then forced to fight the prison's worst killer, a martial-arts fighting midget called Thud. (imdb)

A native young girl from the South moves in with her relatives in a Los Angeles ghetto. At first she is made fun of, but eventually she is accepted and plots to rob a bank to raise bail money for her new boyfriend, who is a jailed drug dealer. (imdb)

Whether or not our protagonist Charles is subject to experimentation while in prison is subject to debate. His behavior after parole indicates otherwise, and the prison dream sequence seems to indicate that the cause of his prehensile murdering manhood is magical or spiritual in origin, as opposed to a freak effect of science.

A young man takes over as the head of a crack dealing outfit after his brother, the gang's leader, is murdered. (imdb)