Police officers take cover near the scene of a shooting near the Mandalay Bay resort and casino. Photo: John Locher / AP

Las Vegas Sheriff Joseph Lombardo gave a step-by-step rundown Wednesday night of the response to Monday's shooting.

Key quote: "What we know is Steven Paddock is a man who spent decades acquiring weapons and ammo, and living a secret life much of which will never be fully understood... he meticulously planned the worst domestic attack in United States history."

  • 10:05 PM PT: First shots fired by the suspect
  • 10:12: Two officers arrive on 31st floor, say shooting coming from directly above them
  • 10:15: Last shots fired by suspect (10 minutes after shooting began)
  • 10:17: Two officers arrive on 32nd floor
  • 10:18: Security officer says he's been shot, gives location of the room
  • 10:26-10:30: Eight additional officers arrive on 32nd floor, begin to clear rooms because they don't hear additional gunfire and believe the suspect may have barricaded himself in.
  • 10:55: Eight officers arrive in hallway near suspect's room
  • 11:20: First room breached, officers notice the suspect is down (75 minutes after shooting began)
  • 11:27: Second room breached, no other suspects spotted

Other takeaways:

  • Lombardo said he suspected Stephen Paddock likely had an accomplice or accomplices, but that was under investigation.
  • He said there was evidence Paddock planned to survive and escape.
  • He said Paddock began stockpiling weapons in October 2016, and they were investigating what was going on at that time in his life.

Go deeper

Updated 1 hour ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

  1. Global: Total confirmed cases as of 6:30 p.m. ET: 34,124,948 — Total deaths: 1,016,723 — Total recoveries: 23,703,113Map.
  2. U.S.: Total confirmed cases as of 6:30 p.m. ET: 7,273,244 — Total deaths: 207,605 — Total recoveries: 2,840,747 — Total tests: 103,946,170Map.
  3. Politics: House prepares to pass revised COVID relief bill as White House talks hit roadblock — Biden to expand voter outreach with in-person canvassing amid pandemic.
  4. Health: Health officials urge flu shots, warning of "twindemic" with COVID-19 — Coronavirus infections rise in 25 states.
  5. Business: Remdesivir is good business for Gilead — Amazon says over 19,800 employees contracted coronavirus — Doomsday has arrived for tens of thousands of workers.

Doomsday has arrived for tens of thousands of workers

Illustration: Sarah Grillo/Axios

Federal coronavirus aid for airlines expires on Thursday with no renewal in sight, meaning massive layoffs for the industry aren't far behind.

The big picture: Airline workers aren't alone on the unemployment line. Oil companies, tire manufacturers, book publishers and insurers are among those that have announced tens of thousands of layoffs. Federal aid through the CARES Act earlier this year delayed most layoffs — until now.

4 hours ago - Science

How the brain handles the unknown

Illustration: Sarah Grillo/Axios

Uncertainty can be hard for humans. It drives anxiety, an emotion neuroscientists are trying to understand and psychologists are trying to better treat.

Why it matters: Under the threat of a virus, job insecurity, election uncertainty, and a general pandemic life-in-limbo that is upending school, holidays and more, people are especially anxious.