Some of the highly questionable methods employed by Dateline NBC in order to bring audiences To Catch A Predator have already been revealed in a lawsuit brought against the network by a disgruntled former producer. But while the series has unearthed scores of alleged "sex offenders" in its underage internet sex stings, it can only truly add one notch to its belt: a Texas prosecutor who shot himself in the head moments before he was tackled by Chris Hansen and his overzealous friends from local law enforcement. Now, the dead prosecutor's sister is suing NBC for $100 million: