HARPERS FERRY, W.Va. -- West Virginia is a new and unexpected frontline in the battle against illegal immigration. U.S. Customs and Border Protection has opened a multimillion-dollar training academy on a tiny road in Harpers Ferry, W.Va. VIDEO: Scott MacFarlane Goes Inside the New WV Border Academy

Border agents and customs officers from across the country will train here on the most controversial of skills -- the use of deadly force against illegal immigrant criminals. VIDEO: An Exclusive Look - Federal Officers Training To Subdue Criminal In Holding Cell

The 124-acre facility includes a series of shooting ranges and simulation areas to re-create physical confrontations at border checkpoints. Behind the Scenes: Customs and Border Protection's New West Virginia Training Academy

Training focuses on when and how best to use physical restraint or deadly force. U.S. Customs and Border Protection Commissioner Ralph Basham said, "In this age of global terrorism, it is essential that those sworn to protect the borders of our nation are fully trained and prepared to do so."