This week Erin tells us about Sam Kastanis who was accused of four counts of aggravated homicide in connection with the slayings of his wife and children in 1991.
Sources:
http://www.murderpedia.org/female.K/k/kastanis-margaret.htm
https://www.findagrave.com/memorial/24718349/margaret-ann-kastanis
https://www.deseret.com/1992/9/4/19003219/kastanis-killed-family-spatter-expert-says