WFAA.com would like to send you push notifications about the latest news and weather.
Notifications can be turned off anytime in the browser settings.
WFAA Web Extra: Karen Mercado's DNA Story
Karen Mercado is one of thousands of NPEs (Non Paternal Event) in America who are just now discovering who their birth parents are thanks to the advent of at-home DNA kits like Ancestry.com and 23andMe. This is her story.