LAS VEGAS (NYTIMES) - More than 50 people were killed and hundreds were wounded in a shooting at an outdoor concert in Las Vegas on Sunday (Oct 1). The police have identified the gunman as Stephen Craig Paddock, 64.

What we know

- Paddock was found dead on the 32nd floor of the Mandalay Bay Resort and Casino, police said, and authorities believe he killed himself.

- At least 10 guns were found in Paddock's hotel room, including several rifles.

- Paddock was a resident of Mesquite, Nevada, about 80 miles northeast of Las Vegas. Quinn Averett, a spokesman for the Mesquite police, said the department has had no previous contact with Paddock.

- Las Vegas police also had nothing more than a routine traffic violation on Paddock, according to Kevin McMahill, the department's undersheriff.

- Paddock's residence was expected to be searched Monday morning.

- A companion of Paddock's was questioned by Las Vegas police but was not believed to have been involved in the shooting.

- The shooting began around 10.08 p.m. local time, police said. Authorities estimated that 406 people were transported to hospitals. There were more than 22,000 people at the concert.

What we don't know

- The suspect's motive is unclear.

- It is not yet clear whether the suspect planned the shooting alone or was working with others.

- Authorities have not announced whether the suspect had any ties to domestic or international terrorist groups.