Investigator Lancaster has 37 years of law enforcement experience. In 1984 he was hired by the Long Beach Police Department and worked in numerous patrol and investigative assignments until retiring in 2013 as a Detective Lieutenant. Investigator Lancaster joined the OCDA in January of 2015 and was assigned to the Public Assistance Division, investigating Welfare Fraud. In May of 2017, he was assigned to the OCDA Insurance Fraud Unit, investigating Workers Compensation Fraud. Although primarily assigned to investigate applicant fraud, he also assists with premium, provider, and medical fraud cases. In December 2020, Investigator Lancaster was assigned as the lead investigator into an Employment Development Department fraud case arising out of the CARES act and the Pandemic Unemployment Assistance program. His investigation led to the arrest of two individuals and the seizure of half a million dollars of fraudulently obtained funds. In addition to his primary duties, Investigator Lancaster is one of the OCDA drone pilots, a member of the threat assessment team, and a CEW (Taser) instructor. He is a member of the International Association of Financial Crimes Investigators (IAFCI), Orange County Financial Crimes Investigators Association (OCFCIA), the California Welfare Fraud Investigators Association (CWFIA), and the California District Attorney Investigators Association. Investigator Lancaster is a certified Terrorism Liaison Officer (TLO) and Cyber Crime Liason Officer (CLO). He is currently the Vice President of the Orange County District Attorney Investigators Association (OCDAIA).