Vegas investigators seek help

LAS VEGAS — After five days of scouring the life of Las Vegas gunman Stephen Paddock and chasing 1,000 leads, investigators confessed Friday they still don’t know what drove him to mass murder, and they announced plans to put up billboards appealing for the public’s help.

Investigators have examined Paddock’s politics, his finances, any possible radicalization and his social behavior — typical investigative avenues that have helped uncover the motive in past shootings.

“We still do not have a clear motive or reason why,” Undersheriff Kevin McMahill said. “We have looked at literally everything.”

The FBI announced that billboards would go up around the city asking anyone with information to phone 800-CALL-FBI.

“If you know something, say something,” said Aaron Rouse, agent in charge of the Las Vegas FBI office. “We will not stop until we have the truth.”

Paddock, a reclusive 64-year-old high-stakes gambler, rained bullets on the crowd at a country music festival Sunday night from his 32nd-floor hotel suite, killing 58 and wounding hundreds before taking his own life.

McMahill said investigators had reviewed voluminous video from the casino and don’t think Paddock had an accomplice in the shooting, but they want to know if anyone knew about his plot beforehand.

It is unusual to have so few clues five days after a mass shooting. McMahill noted that in past mass killings or terrorist attacks, killers left notes, social media postings and information on a computer, or even phoned police.

What officers have found is that Paddock planned his attack meticulously.

He requested an upper-floor room overlooking the festival, stockpiled 23 guns, a dozen of them modified to fire continuously like an automatic weapon, and set up cameras inside and outside his room to watch for approaching officers.

In a possible sign he was contemplating massacres at other sites, he also booked rooms overlooking the Lollapalooza festival in Chicago in August and the Life Is Beautiful show near the Vegas Strip in late September, according to authorities reconstructing his movements leading up to the deadliest mass shooting in modern U.S. history.

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