CSI: NY S7E4 · Sangre Por Sangre

CSI: NY

Season 7 · Episode 4 · Sangre Por Sangre · 45 min

When the leader of a powerful New York gang, El Puño, is found murdered, the CSIs must find the killer before a street war with a rival gang breaks out. Mac asks the co-founder of El Puño, Luther Devarro, a man he put behind bars years before, for help.