D-IAFI was involved in hundreds of criminal investigations in his 20 year law enforcement career. Det. Baeza began his career as a New York State Correction Officer at Sing-Sing Prison; worked patrol in Harlem's 32nd Precinct; and served as an undercover Police Officer and Detective in the Manhattan North Narcotics and Major Case Units. He transferred to the Manhattan Special Victims Squad, where he was responsible for the investigation of sex crimes, serial rape, sexual homicide, and child abuse. During his tenure in this assignment, he expanded his knowledge of law enforcement investigation procedures. Det. Baeza has been published in the Journal of Behavioral Profiling and books such as the Rape Investigation Handbook, among other publications, and he maintains a large reference library including many of the seminal investigative textbooks.