INTERVIEW — ROD WHEELER – former D.C. Homicide Detective

– Police identified the gunman as Stephen Paddock. He was killed in a standoff with police.

A gunman in a high-rise hotel opened fire on concertgoers at a country music festival on the Las Vegas Strip late Sunday, killing at least 50 people and injuring more than 200 in one of the worst mass shootings in modern U.S. history.

The gunman, identified as Stephen Paddock, was later killed during a standoff with police, Sheriff Joseph Lombardo told reporters. NBC and others reported that Paddock was 64.