Investigators acknowledge at least one other person could have known about Stephen Paddock’s plan to execute dozens of country music concertgoers in Las Vegas. Clark County Undersheriff Kevin McCahill, after declaring law enforcement had already chased more than 1,000 leads, said Friday they remained unsure if someone had advance word of the carnage. “I can tell you this: We are very confident that there was not another shooter in the room,” McCahill said. “What I cannot confirm to you, and what we continue to investigate, is whether anybody else might have known about this incident before he carried it out.”...
