Shane Tamura, the Las Vegas man who killed four people and left another person critically injured in a shooting in a New York office building, was possibly targeting the NFL headquarters, but took the wrong elevator.

A police officer and three other people were shot and killed, and one other injured, by a crazed gunman who stormed a swanky Midtown skyscraper early Monday evening — before turning the gun on himself,

The gunman suspected of targeting the National Football League headquarters In New York, killing four, was a former standout football player at two Southern California high schools.

Walter Roby, who coached Tamura during his senior year at Granada Hills, told Fox 11 Tamura was quiet and a top offensive player on the team who worked hard and did what his coaches asked of him. Roby said the shooting has him reflecting on his time coaching Tamura.

Las Vegas resident Shane Tamura, 27, had apparently driven cross-country before double-parking in front of building where the shooting occurred. NYPD officials said Las Vegas officials said he had

Las Vegas police are helping investigate a local man identified by New York authorities as the gunman in a Manhattan shooting that left four people dead, including a police officer.