Sergeant Cotto is a 23-year veteran of the Phoenix Police Department. Throughout his career, he has been assigned to Tactical Training Detail, Professional Standards, the Use of Force Evaluation Unit, and the Drug Enforcement Bureau's Human Exploitation and Trafficking Unit on three separate occasions, totaling over eight years as an investigator and supervisor. Sergeant Cotto supervises an undercover squad responsible for proactive enforcement related to sex and labor trafficking, victim recovery, customer demand reduction, and the dismantling of illegal enterprises related to human trafficking. He has supervised numerous investigations and operations, including child predator operations, street-level human trafficking cases, and illicit massage business investigations.