1,000 leads later, authorities still stumped by Las Vegas gunman

LAS VEGAS (AP) — More than a week after the deadliest mass shooting in modern U.S. history investigators are stumped about the key question: What led a 64-year-old high-stakes gambler to kill 58 people and wound hundreds of others at a country music concert?
It’s an answer they may never find.
The FBI and Las Vegas police have sorted through more than a thousand leads and examined Stephen Paddock’s politics, finances, any possible terrorist radicalization and his social behavio