Las Vegas authorities have named Stephen Paddock of Mesquite, Nevada, as the man who shot and killed at least 50 people at an outdoor concert at the Mandalay Bay Hotel and Casino in Las Vegas Sunday night.

The shooting took place at 10:08 p.m. as a concert by country singer Jason Aldean was ending. Authorities say they have confirmed at least 50 people were killed and more than 200 injured at the event which was on the last day of the three-day Route 91 Harvest Festival - a country music event.

LAS VEGAS, NV - OCTOBER 01:  People scramble for shelter at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)

Credit: David Becker

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Credit: David Becker

Here’s what we know about Paddock so far. Check back here for more updates:

  • He was 64.
  • He was in a room on the 32nd floor of the Mandalay Bay Hotel.
  • He was taken down at the scene. Authorities say they believe he killed himself.
  • According to Las Vegas Sheriff Joseph Lombardo, law enforcement "located numerous firearms" in Paddock's hotel room. Lombardo described the weapons as "rifles."
  • Lombardo also confirmed two vehicles that were being searched for have been located.
  • It is believed to be the deadliest shooting in US history, with the death toll surpassing the 49 killed at a nightclub in Orlando in June 2016.
  • The Palm Beach Post is reporting that Paddock owned a home in Melbourne, Florida. He sold the 2-bedroom home located in a "55-plus" community in 2015.
  • Police said Paddock had "at least 10 rifles" in the room.
  • He had been staying in the room since Sept. 28.
  • Police identified a female companion named Marilou Danley, who has been overseas and spoke to police Monday. Danley is not believed to have been involved in the shooting.
  • The FBI says the bureau had found "no connection with an international terrorist group."
  • He had no criminal record beyond a routine citation years ago.
  • Paddock moved to Mesquite in June 2016 from Reno, Nevada. He live in Melbourne, Florida, Texas and California.
  • His father was on the FBI's Most Wanted List in the 1970s. He was accused of robbing banks.
  • Paddock had a pilot's license.
  • He liked high-limit video poker.
  • He was the oldest of four children.
  • He had no criminal record.
  • He sued the Cosmopolitian Hotel and Resorts in Nevada, saying he slipped and fell in some water on the floor.
  • He had 23 guns in his hotel room, including semi-automatic rifles.
  • Some of the rifles had scopes.
  • Police found 19 rifles at his home.