P.H.I. Investigative Consultants, Inc. provides state-of-the-art instruction and consultation in homicide and forensic case investigations for law enforcement agencies throughout the United States and Canada.

Vernon Geberth, President of P.H.I., is a retired Lieutenant-Commander of the New York City Police Department with over 40 years of law enforcement experience. Commander Geberth is also a nationally renowned lecturer, author, educator, consultant and expert witness on the subject of death investigations. Over 50,000 members from over 7,500 law enforcement agencies have attended Geberth's Practical Homcide Investigation® seminars throughout the country.

P.H.I. is a New York-based corporation that was established by Vernon Geberth in 1987. This corporation is based on the Practical Homicide Investigation Program that Vernon Geberth established for the New York City Police Department in 1980.