A number of posts on this thread touched on it, a lot of the time a ransom payment by insurance companies is paid over to the gang,
Of course. These big insurance outfits have entire divisions dedicated to that kind of thing. And they're often ex-cons themselves.
Private detective agency, is the way insurance companies go to gang-people and make an offer, its all about financial figures.
Insurance companies just want the stuff back so they do not pay out more money to the owner.