el chapo is now headed to a super max prison. if you have any social media presence at all, you have doubtless seen images predicting how your friends and family members might look when they get older. the people behind face app say their website is perfectly harmless, with some cyber experts worry the russian-based system could jeopardize your privacy and the nation's security. here's correspondent gillian turner. >> you may not have heard of face app, the latest viral app that uses ai to create highly realistic images of people might look like decades in the future but if you've used social media in the past two years, you've definitely seen it. over 100 million people from nearly every country have downloaded it. including some of the world's most famous celebrities in music, hollywood, and sports. as of this morning, it's apple's number one app in the u.s. but now amid new revelations that faceapp's parent company is based in russia, key lawmakers