In the super late hours of November 7th 1983, David Hendricks embarked on a work trip to Wisconsin to help promote his own patented brace while his family was left sleeping in Illinois. The next day,  David is unable to get a hold of his wife Susan throughout the day. After close to 24 hours of no contact, police found the family gruesomely murdered in their beds.

Is David the killer?

Source Materials:

https://www.themidwestcrimefiles.com/post/guilty-or-innocent-the-hendricks-family-murders

https://www.crimetraveller.org/2019/12/reasonable-doubt-the-hendricks-family-murders/

https://www.investigationdiscovery.com/crimefeed/crime-history/david-hendricks-7-years-in-prison-for-slaughtering-family-released

https://pantagraph.com/hendricks-murders---1983/image_060319aa-1ada-5bd5-9fc1-96136372b83e.html

https://www.news-gazette.com/opinion/columns/jim-dey-decades-old-murder-mystery-back-before-public/article_e2677cf6-7019-5071-8f6d-3188e9541484.html

https://casetext.com/case/people-v-hendricks-106

https://www.tampabay.com/archive/1997/09/14/murdered-family-follows-him-for-life/

https://www.upi.com/Archives/1983/11/10/Mother-and-three-children-beaten-to-death/1735437288400/  

https://iwuargus.com/3981/features/1983-bloomington-quadruple-homicide-remains-unsolved/

Shrestha R, Kanchan T, Krishan K. Methods Of Estimation Of Time Since Death. [Updated 2022 May 15]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK549867/