The color may have faded from the copy of this Sid Davis movie that I saw, but the message hasn't: beware of strangers. Unlike some of the educational films made about the subject, Sid Davis has actually produced a decent little film, with a a prologue and epilogue that makes sense, and decent, if not terribly expensive examples of what happens when some youngsters forget to be wary of strangers, but others remember.
True enough, the narrator of the movie, supposedly a police officer, sounds a bit goofy, but you can't have everything, not if you going to stay within the tiny budgets that Davis had.