A driver is accused of pointing a pistol at a man and his wife when one of them criticized him for tailgating them in Leander, according to an arrest affidavit.

Bryan Chadwick Mask, 44, of Round Rock, was charged with aggravated assault with a deadly weapon and possession of a controlled substance, both second-degree felonies punishable by up to 20 years in prison. He also faces a misdemeanor charge of unlawfully carrying a weapon.

A woman said she and her husband were driving in a vehicle on Nameless Road on Friday near its intersection with FM 1431 when a man driving a black Chevrolet pickup that was hauling a trailer started tailgating them, the affidavit said.

It said that when both vehicles were stopped at a traffic light, the woman’s husband told the driver, later identified as Mask, to stop tailgating them. Mask then said ,"Shut your (expletive) mouth, old man," according to the affidavit. It said Mask then took out a pistol and pointed it at the couple.

The woman called Leander police at 1:23 p .m. Friday and officers found Mask and his son a short time later unloading a trailer at a construction site on Marsala Circle, the document said. Police asked Mask why someone had reported him brandishing a gun and he said he didn’t know and that he didn’t have any weapons on him or in his truck, the affidavit said.

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It said officers looked in the window of Mask’s truck and saw the butt of a semi-automatic pistol sticking out from under an armrest on the driver’s side of the vehicle.

Police seized the pistol and also found 7.6 grams of methamphetamine and two other guns, the affidavit said.

Mask was released from the Williamson County Jail on Saturday after posting bail set at $55,000.

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