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Case Description
Any updates on this case?
In a quiet home in Coeur d'Alene, Idaho, the life of 37-year-old Mark McKenzie, a White/Caucasian male, was brutally cut short on May 16, 2005. McKenzie was found murdered alongside his fiancée, Brenda Groene, 40, and her 13-year-old son, Slade Groene. The scene that greeted investigators was one of unimaginable horror; the three victims had been bound with duct tape and zip ties before being bludgeoned to death with a hammer.
The grim discovery was compounded by the terrifying realizati ...Read More
The grim discovery was compounded by the terrifying realizati ...Read More
Links to Additional Sources (8)
See any mistakes?Victim Details
Mark McKenzie
Male
White / Caucasian
Coeur DAlene
ID
2005-05-16
37
Mark
McKenzie
11/29/2025
Forum Posts (3)
Hey everyone,
I've been following the Groene case for quite some time, and something that's been ... ...Read More
12/08/2023
I've been following the Groene case for quite some time, and something that's been ... ...Read More
12/08/2023
I’ve been diving deep into the details of the Coeur d'Alene massacre, and one thing that sticks wi... ...Read More
11/01/2023
11/01/2023
I've been revisiting some older true crime cases recently, and I just can't stop thinking about Mark... ...Read More
04/04/2023
04/04/2023
