There is still much we don't know about motive behind the attacks in San Bernardino, but at a press conference on Thursday, the chief of the San Bernardino police department revealed new information about the weapons used in the Wednesday attack at the Inland Regional Center.

KPCC reporter John Ismay joins Alex Cohen to talk about the guns used by the shooters, the pipe bombs and how easy it is to get a hold of both of those things. John has personal experience with the latter, as he's a former Navy Explosive Ordnance Disposal Officer.

To hear the entire conversation click on the link embedded at the top of this post.