It happened on April 16, when a commercial tractor-trailer approached the checkpoint.
A scan from the outside alerted agents to "anomalies" inside the trailer. Agents opened the sealed cargo area and found 149 undocumented individuals.
They were from Mexico, Guatemala, Honduras, Venezuela, El Salvador, Peru, and Ecuador.
They were all placed under arrest along with the driver, a U.S. citizen, at the investigation continues. The U.S. Border Patrol seized both the tractor and trailer.
Get breaking news alerts in the free FOX5NY News app!