FBI Knew Vegas Gunman Had Weapons Stash

FBI agents knew the gunman behind the deadliest mass shooting in modern U.S. history left behind big caches of guns, ammunition and explosives when they sought warrants to search his properties and online accounts, according to court documents released Friday. However, new questions were raised after a U.S. judge in Nevada unsealed the documents revealing some of what federal agents had learned about shooter Stephen Paddock in the week after the Las Vegas attack.