Chongo would make a pretty good salesman, Donuel, but he prefers more dangerous professions, such as: detective, soldier of fortune, bodyguard, that sort of thing...and he likes being his own boss. This is why he decided to be a private investigator rather than a cop. That, and the fact that there's a lot of specism out there on the force. Note how few chimps can be found in the L.A.P.D.