Episodes
48 Hours on ID: A Killer in the Family Tree (S18EP6 ID Mon May 9, 2022)
A Killer in the Family Tree: Chelsea Rustad is surprised to learn that an unknown family member allegedly killed two people before eluding investigators for more than three decades after submitting her DNA to learn more about her family tree.
Airdate: Monday May 9, 2022 at 10.00pm on Investigation Discovery.
Season 18 Episode 6