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Nick Perna

Gang Investigations

Nick Perna is a retired Investigations Lieutenant with the Redwood City Police Department in Northern California. He has served as a Detective and a Supervisor for his department’s Street Crime Suppression Team and Gang Suppression Team. His final assignment was as the Commander of his department’s Investigations Division.

He has worked with numerous task forces with local, State and Federal officers targeting gang members, drug dealers, pimps and high-risk felons. He has testified multiple times in court as an expert in gang, drug sales and illegal firearms cases. He has been an entry team leader, sniper team leader and tactical commander for a multi-jurisdictional SWAT Team.

He has had articles published in Police1, SWAT, Soldier of Fortune, Guns and Weapons for Law Enforcement, California Narcotics Officers magazine, California Association of Tactical Officers magazine, Havok Journal, The Counter Terrorist, Breach Bang Clear, and Recoil online. He is a regular contributor to American Shooting Journal, an online firearms and hunting magazine, there, he has a monthly column entitled, “Law Enforcement Spotlight,” where he highlights the actions of sworn professionals.

Nick is also the author of “The Street Crimes Handbook, 2nd edition,” aa basic primer on how to do successful gang, drug, firearms and human trafficking investigations. Nick has a Master’s Degree from the University Of San Francisco. Prior to entering law enforcement, he served as a Platoon Leader and Paratrooper in the 82nd Airborne Division. He is a combat Veteran who served in Iraq as part of Operation Iraqi Freedom.

LATEST ARTICLES
Accurate gang classification starts with evidence, not assumptions. Learn how investigators document membership that stands up to scrutiny
Get comprehensive guidance on various facets of street crime investigations from the second edition of Nick Perna’s handbook for investigators
Statutes define gang crime as involving persons committing crimes for the benefit of the gang. But what if the crime is committed by a lone wolf?
Gangs use graffiti to mark their territory, mourn fallen members and challenge rival gangs
It would be shortsighted to think cops can’t learn a thing or two from gang members that we can apply when chasing them down
Gang investigators need to think globally, but act locally when handling gang cases with subsets
Like we learned in the academy, if it isn’t documented it didn’t happen
Whenever agents, detectives, and officers are brought together from local, state and federal agencies, there are inherent difficulties that need to be addressed from the beginning
Gather information about gang signs and symbols from as many sources as you can manage, but know that what something means someplace else may not hold true in your jurisdiction
Some victims and witnesses don’t have the best memories and may not operate at the highest cognitive level and they can get easily overwhelmed by the big pack of pictures that were handed to them