• Police served a search warrant on the Mesquite, Nevada, home of Las Vegas shooter, Stephen Paddock, Monday morning. Authorities found weapons and ammunition but could not go into details, according the Mesquite Police Department.
• An additional property in northern Nevada owned by the shooter will be searched soon, Las Vegas Sheriff Joseph Lombardo said in a news conference.
• "We had no knowledge of this individual," Lombardo said of Paddock. "I don't know how it could have been prevented."
• The shooter's brother, Eric Paddock, told CNN: "He was my brother and it's like an asteroid fell out of the sky." He said the last time he spoke to his brother was when Stephen texted asking how their mother was after they lost power for five days in a storm. Eric Paddock said he knew of a couple of handguns and maybe one long rifle but did not know of any automatic weapons owned by Stephen Paddock.
• The shooter had been at the Mandalay Bay hotel since September 28, 2017, authorities said. Hotel employees had been in his room prior to the shooting and did not notice anything amiss, according to Lombardo.
• Police said in a statement that officers "breached the hotel room" where the shooter was located and "found the suspect dead." Authorities believe he killed himself.
• Police do not believe there were any additional shooters.
• At least 59 dead; more than 500 people taken to area hospitals, authorities said.
• Nevada US Rep. Dina Titus said that the biggest need right now is blood.
• The FBI says they have determined no connection with an international terrorist group.
• Authorities say they are not calling this terrorism, at this time. "We have to establish what his motivation was first," said Las Vegas Sheriff Joseph Lombardo, when asked why this event has not been labeled domestic terrorism.
• The shooter had bought multiple firearms in the past, several purchased in California, a law enforcement official told CNN. But those don't appear to be among the 10 or more found in the Mandalay Bay hotel room.
• So far investigators believe the firearms were purchased legally. The suspicion, based on initial reports, is that any of the rifles used were altered in order to function as an automatic weapon, said the official. Among the weapons found so far: a .223 caliber and a .308 caliber.
How the attack unfolded:
• At around 10:08 p.m. local time Sunday (1:08 a.m. ET Monday) the Route 91 Harvest Festival -- a country music concert -- was interrupted by the sound of gunfire, witnesses said.
• Police said the gunman fired on the crowd of about 22,000 people from the 32nd floor of the Mandalay Bay hotel, several hundred feet southwest of the concert grounds.