Police officers in Frio County, Texas, discovered 39 undocumented immigrants crammed inside a semi trailer on Wednesday, October 7th. The incident was recorded by an officer’s body camera.

The truck driver, 33-year-old Drew Christopher Potter, was arrested and charged with conspiracy to commit alien smuggling for financial gain, as well as three counts of transportation of undocumented aliens.

Potter faces up to 10-year in federal prison, as well as a fine up to $250,000 for his alleged involvement.

Officers discovered 28 adult males, 7 adult females, and 4 children inside the trailer. They were taken to Laredo and are in custody of U.S. Border Patrol.

According to ABC News, the driver told officer he was paid to drive the truck and did not know what was inside the trailer.