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.
Genres: Crime , Drama , Mystery
Keywords: crime-investigation , detective , enthusiastic , forensic , murder-investigation , new-york-city , nypd , police-procedural , spin-off , watch-full-episodes-online , crime-scene-investigation , crime-scene-investigator , forensic-evidence , forensic-expert , homicide-detective , homicide-investigation