In this joint episode, Marina covers the Griswold Home Invasion. On December 19, 2017, Matthew Lindquist carried out a plan that would cost him his life and those of his parents, Kenneth and Janet Lindquist, at the hands of the Correa siblings. Then Laura covers the murder of Mackenzie Cowell. In February 2010, 17-year-old Mackenzie was seen on security footage leaving her cosmetology school, alone. This was the last time she was seen alive. Her body was recovered four days later, beginning the desperate hunt for her killer.