Navy Yard shooting update

Good morning from Gray. Here's a look at some of the stories you will want to catch before you leave the house on 12 News Today.

We have an update on that deadly attack at the Washington Navy Yard that was carried out by one of the military's own: a defense contract employee and former Navy reservist who used a valid pass to get onto the installation and started firing inside a building, killing 12 people before he was killed in a gun battle with police.

Washington D.C. Mayor, Vincent Gray held a press conference late last night. He says police have all but ruled out a potential second suspect in the shooting. There were no active military personnel among the victims.

Plus, happening today, convicted child sexual abuser Jerry Sandusky returns to court. The former Penn State Defensive Coordinator is seeking to have his 30-to-60 year prison sentence reduced.

Join us for these stories and more, plus breaking news as it happens on 12 News Today from 4:30-7am. Up to the minute, the minute you're up.