Las Vegas shooter Stephen Paddock's deadly October rampage was meticulously planned, and he scouted other possible targets nationwide before killing 58 concert-goers.

Stephen Paddock committed the deadliest mass shooting in modern U.S. history on October 1, 2017, in Las Vegas.

Stephen Paddock's motive in the Las Vegas shooting remains a mystery, but an FBI report released Tuesday offers some insight into Paddock's state of mind.

Stephen Paddock most likely chose a music festival for his rampage, which killed 58 people, because of the image of harming people who were having fun, an F.B.I. report said.

LAS VEGAS – The much anticipated autopsy report on Las Vegas gunman Stephen Paddock did nothing to help explain why he carried out the deadliest shooting in modern U.S. history — his bo… ...

Investigators say they have still not determined why Las Vegas mass shooter Stephen Paddock opened fire from his high-rise hotel suite, killing 58 people and injuring hundreds.

Las Vegas authorities again revise the timeline of the mass shooting, saying Stephen Paddock shot a security guard around the time he began firing on the crowd.

Las Vegas Police Describe Harrowing Minutes Getting into the Gunman's Hotel Room During Mass Shooting Guns were among the first things police saw after they breached Stephen Paddock's hotel room ...

Las Vegas music festival shooting 30 photos Paddock booked rooms over other music festivals in the months before opening fire on the Route 91 Harvest Music Festival, authorities said.

The investigation into what drove Stephen Paddock to open fire on a music festival in Las Vegas last Sunday is crawling into its fifth day with ever-mounting questions.

Investigators probing the deadly shooting rampage that unfolded on the Las Vegas Strip on Sunday night say that a piece of paper found in the gunman's hotel suite is not a suicide note. Still ...

10:18 p.m. A hotel security guard on the 32nd floor tells Las Vegas Metropolitan Police that he’s been shot and provides the room number from which Paddock was firing. 10:26-10:30 p.m.