Police in New York say a traffic stop has resulted in the arrest of man posing as a federal air marshal who had an assault rifle, body armor and 8,300 rounds of ammunition.

Nassau County police said Friday that the suspect was stopped Thursday morning on the Jericho Turnpike in the Long Island community of Syosset.

They say he had a pistol, a knife and the assault rifle in the car, along with the body armor and a tactical vest containing three high capacity magazines. He produced fake credentials and activated emergency lights on his vehicle.

Authorities say they found more weapons and the 8,300 rounds of ammunition at his home.

The following statement was given to YWN by Nassau County Police:

According to Special Investigation Squad detectives, in a joint investigation with New York office of the Joint Terrorism Task Force and the Transportation Security Administration initiated a vehicle and traffic stop on Jericho Turnpike in Syosset. The defendant, Mark Vicars, 49, of 137 The Knolls pulled his vehicle over and activated emergency lights on his 2014 Dodge Durango and produced a fraudulent shield and identification credentials identifying him as a Federal Air Marshall. The defendant was in possession of a loaded .380 pistol and a knife, in the back seat was a loaded assault rifle, along with a ballistic body armor vest and a tactical vest containing three high capacity magazines.

The investigation continued and after obtaining a search warrant for the defendant’s residence, detectives recovered multiple weapons and approximately 8300 rounds of assorted ammunition.

Vicars is charged with two (2) counts of Criminal Possession of a Weapon 2nd degree, ten (10) counts of Criminal Possession of a Weapon 3rd degree, five (5) counts of Criminal Possession of a Weapon 4th degree and Criminal Possession of a Forged Instrument 3rd degree. Vicars will be arraigned on Friday, December 4, 2015 at First District Court in Hempstead.

(AP)