![1,000 Leads Later, Authorities Still Stumped By Vegas Gunman](http://townsquare.media/site/41/files/2017/10/GettyImages-8565664821.jpg?w=980&q=75)
1,000 Leads Later, Authorities Still Stumped By Vegas Gunman
More than a week after the deadliest mass shooting in modern U.S. history, investigators are still stumped about what led a high-stakes gambler to kill 58 people and wound hundreds of others at a country music concert.