Solving Cold Cases with Genetic Genealogy | Carte Blanche | M-Net

In 1987, a young Canadian couple was brutally murdered in the USA. For 31 years, the case remained unsolved while the murderer walked free. That was until a chance DNA connection to his cousins, led a team of investigators using a new crime solving technique called genetic genealogy, right to the killers’ door. Carte Blanche uncovers how international detectives are now solving cold case crimes. --- Visit the Carte Blanche official site: https://mnet.dstv.com/show/carte-blanche Like Carte Blanche on Facebook:   / carteblanchetv   Follow Carte Blanche on Twitter:   / carteblanchetv