Crime Story will be back in the new year with brand new episodes. To keep you company over the holidays, we're bringing you episode one of Bad Results.

They needed certainty. They got chaos. For over a decade, countless people from at least five different countries put their trust in a company offering prenatal paternity tests. It promised clients “99.9% accuracy” — but then routinely, for over a decade, identified the wrong biological fathers.

Investigative journalists Jorge Barrera and Rachel Houlihan track down the people whose lives were torn apart by these bad results, the shattered families and acrimonious court cases that followed, and the story behind the company that continues to stand by its testing and is still operating today.

More episodes of Bad Results are available here.