On November 9, 1971, John List methodically murdered his entire immediate family in their Westfield, New Jersey mansion. Find out the shocking reason this devout Lutheran killed his 3 children. After placing the bodies on sleeping bags in the ballroom, List disappeared. Finally after 18 years on the run, America’s Most Wanted was able to assist in capturing this mass murderer. “The Watcher”, Netflix’s newest mystery thriller, includes parts of the List family murder throughout the series.