Authorities say the man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove across country from his supervisor at a Las Vegas casino

Tamura’s supervisor at the Horseshoe Las Vegas legally bought the AR-15-style rifle he sold to Tamura for $1,400, the New York Police Department said Wednesday. On Tuesday, police mistakenly said the supervisor had supplied only parts of the rifle used in the attack,

The gunman who opened fire in a New York City skyscraper, killing four people, including an off-duty cop, bought his $1,400 gun from his boss at a Las Vegas casino where he had worked, according to officials.