Retired agent Phil Sena served 25 years in federal law enforcement, seven as a Deputy U. S. Marshal and 18 years as a Special Agent with the FBI. In this episode of FBI Retired Case File Review, Phil Sena is interviewed about the fugitive investigation of Top Ten Fugitive Ted Otsuki. In October 1987, Otsuki killed Boston police officer Roy Sergei and wounded officer Jorge Torres when they responded to a domestic disturbance call. A national manhunt to locate and capture Otsuki ensued. After he developed a crucial cooperating witness, Phil Sena, working closely with Boston and San Francisco detectives, took up the fugitive hunt in San Francisco, Texas and Guadalajara, Mexico, where Otsuki was eventually captured by Mexican Federal Judicial Police and the FBI. In addition to working fugitive cases, during his Bureau career, Phil Sena gained extensive experience in the investigation of violent crime and terrorism and served as a Supervisory Special Agent of the Bank Robbery/Kidnap Squad, the Fugitive Task Force and the Violent Gang Task Force, as well as Crisis Management Coordinator and SWAT Coordinator in the FBI Tactical Operations Center for the San Francisco Division. He was also supervisor of and a diver on the FBI Western Region Underwater Search and Recovery Team. Phil Sena is certified as a Police Instructor, Firearms Instructor, Defensive Tactics Instructor, SWAT Instructor, Police Fitness Instructor and Tactical Instructor.