And when they tried to arrest one more... something happened that has never happened in any of our investigations before: Police moved in on the suspect at his home... and there were deadly consequences.

Chris Hansen has a preview in this blog entry:

"You’ll also meet a man, alleged to have committed the same crime, who made a tragic choice. In two years and nine investigations, we’ve never experienced anything like this: Louis W. Conradt Jr. was an assistant district attorney in a neighboring county. Before that, he was an elected district attorney. He’d been a prosecutor for more than 20 years and was well-known in law enforcement circles. But evidence indicates that on this particular Saturday night, he was having a sexually-explicit chat and sending pornographic photos to a Perverted-Justice decoy posing as a teenage boy. Conradt also had a phone conversation with a decoy. You’ll see how we figured out the person on the other end of the chat is actually Conradt. He never showed up at our house in Murphy, but in Texas you don’t have to show up to be charged with a felony. The online solicitation is enough to get a warrant. And that’s exactly what the Murphy police did. Instead of facing the charges, Conradt chose to take his own life. It is a scenario that stunned everyone there." Click here to read more.