The U.S. government has adopted a DNA testing system that would allow border officials to assess within two hours whether immigrants claiming to be in the same family are telling the truth.

Last June, the FBI approved the use of ANDE, an automated system which was developed with the military and can be operated by a nonscientist to process cheek swabs and other DNA. In October, it was used on human remains found after wildfires swept through Northern California. It is now under consideration by the Department of Homeland Security and could be used by Immigration and Customs Enforcement.