Fox News Flash top headlines are here. Check out what's clicking on FoxNews.com. It's called a biometric gate check -- more commonly known as facial recognition technology. U.S. Customs and Border Protection (CBP) has used it to process more than 100 million travelers at airports in the U.S. But now a bipartisan pair of U.S. senators is asking how the data is being used and trying to determine if it's an invasion of privacy, similar to daily life in communist China.

Law enforcement's use of facial recognition technology was always controversial.

Microsoft's latest breakthrough could make DNA-based data centers possible