Wounded warriors retrained to hunt child predators

Marine Sgt. Justin Gaertner lost both his legs in a roadside bomb explosion while serving in the Helmand province of Afghanistan on Nov. 26, 2010. No longer able to serve his country in the U.S. military, Justin now has a new mission: Bringing to justice child sexual predators.

He took a risk and signed up for a year-long pilot program run by the Department of Homeland Security, called HERO Corps, where he and other wounded or ill warriors are being trained in the computer forensics needed to track and trap criminal involved in child exploitation.

In an interview with ABC News, Gaertner acknowledged it was a major adjustment, but said, “words can’t really describe,” how good it feels to put these guys behind bars. “It’s never ending … [the] despicable things that people are doing to children.”