Millions of Americans have taken at-home DNA tests like Ancestry, 23andMe, and MyHeritage. With news of the recent data breach affecting genetic testing company MyHeritage — and law enforcement using GEDMatch and FamilyTreeDNA to tie suspects to crimes — how concerned should you be about your privacy? THINK Again talks with experts who believe the risks may outweigh the benefits. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News is a leading source of global news and information. Here you will find clips from NBC Nightly News, Meet The Press, and original digital videos. Subscribe to our channel for news stories, technology, politics, health, entertainment, science, business, and exclusive NBC investigations. Connect with NBC News Online! Visit NBCNews.Com: http://nbcnews.to/ReadNBC Find NBC News on Facebook: http://nbcnews.to/LikeNBC Follow NBC News on Twitter: http://nbcnews.to/FollowNBC Follow NBC News on Google+: http://nbcnews.to/PlusNBC Follow NBC News on Instagram: http://nbcnews.to/InstaNBC Follow NBC News on Pinterest: http://nbcnews.to/PinNBC Hacking Your DNA: The Big Business — And Risk — Of Home Tests | Think | NBC News