Al is currently a professor at the University of California Irvine after retiring from the Orange County District Attorney’s Office in April 2006;
where he was the Gang Unit Supervisor. He has over 29 years of law enforcement experience with Special emphasis on narcotic and gang investiga-
tions, undercover field operations, and multi-agency task force and prosecutions. He has written over 82 articles and published eight books on gang
histories, customs and practices, and related issues.
Al was selected as the 2001 District Attorney Investigator of the year for the state of California. In 2005 he received the Academic Achievement
Award for educational and training achievements by the Asian Gang Investigators Association of California. In 2011 he was also selected the Assistant
Department Chair, Criminal Justice Program at Westwood College, Anaheim.