But the times, despite headline-snatching headlines, may be changing.
"There is a better way of doing things and we don't need to shoot," he adds.
The key to getting that message across to police departments?
"Sometimes you have to sue them or cost them a bunch of money," he says.
But there are other, more proactive ways agencies are starting to show their dog sensitivities.
In one remarkable case, a police department in Poughkeepsie, New York, has hired a pit bull named Kiah. She covers all the usual police dog duties - drug sniffing, tracking missing people - but also doubles as a goodwill ambassador for the department as well as the breed.