William Heffernan Email and Phone Number

Criminal Investigations Private Investigations Enforcement Surveillance Criminal Justice Internal Investigations Background Checks Crime Prevention Executive Protection Firearms Investigation Evidence Interrogation Police Physical Security Personal Protection Patrol Corporate Security Security Operations Security Management Criminal Law Workplace Violence Emergency Management Personal Security Undercover Protection Field Training Security Security Training Law Enforcement Operations Expert Witness Crime Scene Investigations Crisis Management Investigative Research Cybercrime Fraud Interrogation Techniques Law Enforcement