Same here- I never had a problem with the man, and he had some items- like the TWA 800 documents- that were hard to locate.
Let me add to the Rivera chorus. I didn't with the conclusions he drew, and sometimes he shot from the hip, but he was a damn good researcher. His work on Vince Foster and the black/silver gun made a believer out of me (or you might say an unbeliever...in the official story).
MR, if you're reading this, I miss ya bud.