Chris Watts also allegedly confessed to writer Cheryln Cadle that he unsuccessfully tried to kill daughters Bella and Celeste before murdering Shanann in August 2018.
After shots were heard coming from the home in Oxford, Massachusetts, a teenager who was inside at the time carried their young sibling through a window then ran to safety with a neighbor.
Anthony Gumina murdered Heather Gumina-Waters after fighting with her over her broken collarbone, an injury he caused, because her feared it would hurt his pending court case for another domestic violence incident.
A criminal complaint alleges that Lauri Deatherage was fatally shot by her ex-husband, Robert Dwayne McCloud, who police say admitted to the crime during a 10-hour stand-off with authorities.