issues. the world s most wanted reporter: mexican navy special forces captured notorious drug kingpin guzman in a predawn raid. six months earlier he broke out through a mexican prison through a hole in a shower stall that led to a tunnel. this is his second escape. law enforcement facing a national heroin epidemic. ohio police posting this picture to demonstrate the devastating impact on families. people do not understand what this drug is doing and how it affects families overall and little kids that get caught up in this. reporter: the video of a couple overdosing going viral. i found myself unable to put the heroin down. it s a devastation. it s pain. it s anguish. reporter: the addiction beginning for some with prescription drugs. the crisis made even worse this year by deadlier drugs. 2016 showed an increase in