Border Patrol agents seized four vehicles, a firearm, more than $321,000 in narcotics, and arrested 15 people in the last 12 days.

Border Patrol agents arrested a U.S. citizen July 25 at the State Route 83 checkpoint near Sonoita, after a search of his Buick sedan revealed a firearm, gun magazines, ammunition and six bundles of marijuana. The narcotic seizure was valued at almost $72,000, according to a news release from U.S. Customs and Border Protection.

Later that evening, Nogales Border Patrol agents seized a Ford Expedition and arrested four people at the Interstate 19 checkpoint near Tubac, in connection with the smuggling of undocumented border crossers.

The next morning, Border Patrol agents in the Willcox area seized a truck and arrested the driver for smuggling 145 pounds of marijuana. The driver had failed to stop for agents, so they deployed road spikes to stop the truck.

A sensor activation July 27 led agents to apprehend eight illegal immigrants dressed in camouflage clothing near Naco. Those arrested had “carpet booties on their shoes,” to avoid leaving impressions.

Nogales Border Patrol agents on July 30 discovered an abandoned package of heroin near the Interstate 19 checkpoint. The seizure was worth nearly $54,000.

Agents from the Interstate 19 checkpoint seized a Mercury sedan Aug. 2 and arrested a U.S. citizen after a drug-sniffing dog led agents to the discovery of almost eight pounds of methamphetamine concealed in a false compartment in the rear seat. The drugs were worth more than $123,000.