|Sangre Por Sangre|
|Writer||Aaron Rahsaan Thomas|
|Original Airdate||October 15, 2010|
Sangre Por Sangre is the fourth episode of the seventh season of CSI: NY.
A Puerto Rican gang leader that Mac helped put in prison many years ago is released, and suddenly the new leaders of the gang begin turning up dead.
|CSI:NY Season Season 7|
|Template:New York Season Season 7 Links|