Multiple cargo shipments of meat stolen between April 2011 and February prompted a federal investigation ending with a FBI sting operation and three arrests.

The three California men accused of stealing a shipment of meat valued at more than $175,000 received federal prison terms after pleading guilty last week.

The Amarillo Globe-News reports the three thieves were sentenced last Thursday after pleading guilty in May in a conspiracy plot to steal meat shipments from the Tyson Fresh Meat packaging plant in Amarillo, Texas.

Ruben Ashikyan, 56, of Sherman Oaks, Calif., was fined $3,000 and sentenced to 18 months in federal prison. His son, Levon Ashikyan, 31, of Glendale, Calif., was sentenced to 12 months in prison and Grigor Darmandjian, 56, of North Hollywood, Calif., was sentenced to an 18-months.

The thieves used a trucking company’s identity to pick up a shipment of meat. The federal investigation found 28 cargo thefts following the same scheme with the value of each theft ranging from $30,000 to $200,000.

In the FBI sting operation, the three thieves were found with license plates taken from another truck and trailer and fake a fake California registration card.