The Good Hart Murders. There’s a broken window. It looks like the window was shot with a gun. And that smell. It’s so bad. There’s a note on the door. The family is gone, but they should be back by now. No one answered the knocking. Going in to check things out revealed a horror scene. The entire family was murdered. How long had they waited to be discovered? Who would do this? Why? Why the whole family?
Sources:
MLive. 50 years after Michigan family’s massacre in cottage, investigators put rumors to rest. By Tanda Gmiter. October 11, 2018. https://www.mlive.com/news/2018/10/50_years_after_michigan_family.html
Norther Express. The Good Hart Murders: Case Closed. By Patrick Sullivan. July 7, 2018. https://www.northernexpress.com/news/feature/case-closed/
Click on Detroit. Northern Michigan massacre: Family of 6 from Metro Detroit murdered in summer home 54 years ago. By Kayla Clarke. July 10, 2022. https://www.clickondetroit.com/news/michigan/2022/07/06/northern-michigan-massacre-family-of-6-from-metro-detroit-murdered-in-summer-home-54-years-ago/
History by Day. The Unsolved & Unexplainable Case of the Robison Family. By Hadar Garlitz. https://historybyday.com/human-stories/the-unsolved-unexplainable-case-of-the-robison-family/
Mysterious Michigan. The Unsolved Mystery of the Robison Family Murders. By Tonya Blust. https://mysteriousmichigan.com/the-robison-family-murders
Clues Sought in Murders of 6 in Woodland Cabin. Battle Creek Enquirer. July 24, 1968. https://www.newspapers.com/image/204481544/?terms=Robison&match=1
Wikipedia. https://en.wikipedia.org/wiki/Michigan_Murders and https://en.wikipedia.org/wiki/Robison_family_murders