Sandford was arrested after trying to snatch an officer's gun

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Michael Sandford claimed to be interested in getting an autograph from a uniformed officer working at the Republican campaign at the Treasure Island Hotel and Casino.

But instead of taking home a signature, he instead attempted to disarm the police officer by trying to steal his gun.

It is unclear when the potentially violent incident took place during the Trump rally inside the hotel's Mystere Theatre, which was packed full of 1,500 of his die-hard supporters.

Police said in a statement: "While inside the theatre, a subject, later identified as 19-year-old Michael Sandford, approached a uniformed LVMPD officer who was assigned to the event.