Lombardo: No Motive Uncovered in Mass ShootingInvestigators remain unsure why Las Vegas mass shooter Stephen Paddock opened fire from his Mandalay Bay hotel suite, killing 58 people and injuring hundreds more last October.
Records: FBI Knew Vegas Gunman Had Big Gun StashesFBI 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 documents released Friday..
Paddock's Girlfriend Says He Left Her in the DarkThe girlfriend of the Las Vegas gunman said Wednesday she had no idea of the massacre he was plotting when he sent her on a trip abroad to see her family.
Las Vegas Shooting: What We Know About Marilou DanleyDetectives are hoping that Stephen Paddock's girlfriend can help reveal the Las Vegas shooter's motive.
Stephen Paddock Was Wealthy Real Estate InvestorThe man who killed at least 50 people and injured more than 400 at a Las Vegas concert was a retiree with no criminal history, police said Monday.