Did Las Vegas mass killer Stephen Paddock act alone?Statements made by authorities investigating Sunday's horrific shooting are increasingly indicating they don't believe he was a "lone wolf" actor.Both Las Vegas Sheriff Joe Lombardo and representatives from the FBI gave indications they are looking for other possible suspects. VIDEO: FBI states there are multiple leads around the world involving the travel patterns of multiple people in this investigation. pic.twitter.com/4UnElKzMRb— Adam Herbets (@AdamHerbets) October 5, 2017 WATCH: Las Vegas Sheriff: "C'mon folks" ... "He had to have some help at some point..." pic.twitter.com/iWlovhSHZI— Breaking911 (@Breaking911) October 5, 2017 Sheriff: Do you...