By CBS13 Staff

STOCKTON (CBS13) – Two people are under arrest after a traffic stop of a suspicious vehicle at a Park & Ride lot in San Joaquin County.

California Highway Patrol’s Valley Division says, Thursday night, an officer was out on patrol near Highway 99 and Mariposa Road when they noticed a truck with no plates at the Park & Ride lot.

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Someone from inside the truck then got out and started tinkering with the front of his vehicle.

K9 Olex after the arrests. (Credit: CHP Valley Division)

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The officer soon noticed signs of suspected criminal activity and drug paraphernalia.

A K9 was deployed and quickly gave officers a positive alert. Officers searched the truck and found about one ounce of suspected meth, more than .5 pounds of marijuana, a short-barrel shotgun, and a loaded and unregistered Glock 43.

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Both a man and woman who were in the truck have since been arrested.