Hal Cunningham
Hal Cunningham is the former principal of Surveillance Consultants. A former Toronto Police Staff Sergeant and member of their elite surveillance unit, Cunningham taught surveillance techniques for 20 years. Cunningham is author of the surveillance manual The Art of Shadowing.
The Advantages of Surveillance Training for ORC Investigators
Those within the loss prevention field have observed the trend to deviate away from hiring private investigators (PI) to do your organized retail crime...
