To expand on Bilco...
If you are affadaviting spots, take it off a receiver with antenna, not even the mod monitor. For archiving and reuse, take the program feed, predelay is probably the best source. For the PD to counsel the jocks, telescoped from wherever in the chain they like. Telos makes a nice system, we got twelve channels of it assigned in various ways as loggers and telescopes. Back in The Day, Bob Neil was Ops Manager and didn't want a logger at all. He considered it merely a means to get in trouble. He may have been right.