PHOENIX – Authorities in Cochise County released details on Jan. 19 surrounding a major bust involving ammunition.

The bust, according to officials, was made in mid-January as part of a multi-agency effort.

Bust involved tens of thousands of bullets

Per a statement made to the Cochise County Sheriff’s Office Facebook page, the busts involved two cars that were headed east on Interstate 10 from the Phoenix area.

What we know:

According to the statement, crews seized 10,000 rounds of .50 caliber ammunition, and 19,640 rounds of 7.62×39 ammunition.

Officials identified the people in the two vehicles as three asylum seekers, one of whom is from Cuba, and an American citizen out of Texas.

What they’re saying:

“The vehicle containing the 7.62×39 ammunition was interdicted by the Pinal County Sheriff’s office. Still, the second vehicle containing the .50 caliber ammunition was located by CNTA investigators at Motel 6 in Benson,” officials with CCSO wrote.

What’s next:

Cochise County officials say an investigation is ongoing, and it is being led by Homeland Security Investigations and the Bureau of Alcohol, Tobacco, Firearms and Explosives.