This has been posted before but never in its original quality.
Gary pled no contest to manslaughter and got no prison time, instead merely getting probation, community service, and a suspended sentence.
"They were not going to convict Gary of shooting the guy who molested his son. That wasn't going to happen—not in Baton Rouge." — Mike Barnett (Baton Rouge Sheriff's Dept.)
When interviewed not long before his own death in 2014, to "do you regret killing Jeff Doucet?" he quickly replied "No."
"Would you do it again?" He answered, "Hell yeah."
More info: https://en.wikipedia.org/wiki/Gary_Plauche