This Judge Put Criminals Away. Now He's Trying to Set Them Free.

As a federal judge, John Gleeson would have to impose decadeslong sentences for certain crimes. Now, he's on a mission to undo some of those same sentences. We talk to the WSJ's Corinne Ramey, Gleeson and one man who's been freed by Gleeson's strategy. Learn more about your ad choices. Visit megaphone.fm/adchoices