Detective Derek Stigerts has been a police officer for 21 years with the Sacramento Police Department, the last 7 years in the detective division. He was assigned to the Child Abuse/Sex Assault Unit for one year then in 2006, transferred to the Vice Unit where he became a full time member of the Sacramento FBI Division’s, Innocence Lost Task Force. The task force combines Special Agents of the FBI and local law enforcement detectives. The unit’s primary responsibility is investigating commercial sexual exploitation of children cases, prostituted juveniles, and prosecuting those responsible for their exploitation. Det Stigerts is an instructor at the FBI’s Crimes Against Children, Juvenile Prostitution Forensic Interviewing Course and has presented at other federal and state trainings regarding commercial sexual exploitation of children cases. Det Stigerts has qualified and testified as an expert in federal court in California, Texas, Nevada, and Louisana as well as in state court in California regarding numerous prostitution and sex trafficking topics.