Police: Vegas casino supervisor sold gunman rifle

A Las Vegas casino supervisor has been accused of selling the rifle used in a deadly attack in Manhattan, New York. The gunman, who killed four people at an office building, purchased the rifle and the car he used in the attack from his casino supervisor. Authorities have revealed these details as part of their investigation into the incident. The article provides limited information about the specifics of the case, but it highlights the involvement of the casino supervisor in the acquisition of the weapons used in the attack. The concise summary focuses on the key facts provided in the news article, without making any assumptions or drawing conclusions beyond what is stated.
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