[BunnySlippers]

They sometimes let the guilty go free because they are afraid of them, take the Martha Moxley case, for example.

Well, I think money goes along way in BUYING innocence in a court of law (in Moxley's case before it gets there). O.J. bought his innocence with an expensive crack team of attorneys, an inept prosecution and a hopelessly dumb, racist jury. Very sad ... and it happens all the time.

[diefree]

I don't think they were bought off in the Moxley case. I think they were afraid of the Kennedys.

[Doctor Stochastic]

And in the OJ case, the jury knew about the Rampart Division whereas that made the national news later. Thus the OJ jury found the idea of police framing people much more believable than most people would. A small amout of corruption spoils even good investigations.