Crime Solvers Central
CSC
263 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Donna Dennis death by force case profile photo

Donna Dennis

Case from Lawrenceville, GA dated Sep 23, 2017

Victim Details

Donna Dennis

Female

White / Caucasian

Lawrenceville

GA

2017-09-23

82

Donna

Dennis

07/10/2026

Case Description

Any updates on this case? Let us know!
In a quiet Lawrenceville, Georgia neighborhood, the life of 82-year-old Donna Dennis came to a tragic end in what authorities have described as a murder-suicide. On Saturday, September 23, 2017, family members discovered the bodies of Dennis and her 57-year-old son, Mark Knox, inside their home on Bishops Lane. Both had sustained fatal gunshot wounds.

Concerned after not hearing from them, a family member went to the residence to check on their welfare. Peering through a back door, the re ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Donna Dennis, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month
Cancel anytime.
Already a member? Log in

Links to Additional Sources (5)

See any mistakes? Let us know!
  • ajc: Family says mental health struggles preceded murder-suicide
  • ajc: 2 found dead in Gwinnett house
    • MEMBER ACCESS

    Unlock 3 additional sources

    View the complete collection of available reporting and reference links for this case.

    View All Case Sources — $3.97/month
    Cancel anytime.
    Already a member? Log in

    Latest News

    View All

    Forum Posts (3)

    I’ve been following the discussion about Donna Dennis’s tragic death and wanted to bring up some... ...Read More
    08/16/2024
    I’ve been thinking a lot about the neighbors’ perspective in this awful situation. Living so clo... ...Read More
    01/08/2024
    It's truly devastating to hear about what happened to Donna Dennis. My heart goes out to her family,... ...Read More
    12/26/2023
    MEMBER ACCESS

    Join the discussion for Donna Dennis

    Read full forum posts and contribute to this case discussion.

    Unlock forum access — $3.97/month
    Already a member? Log in

    Other Cases from Lawrenceville, Georgia

    Denise Bukart-Haynes death by force case in Lawrenceville, GA

    Denise Bukart-Haynes

    Death: Nov 02, 2018
    In a quiet Lawrenceville, Georgia neighborhood, the afternoon of November 2, 2018, was shattered by y ...Read More
    Claudia Settle death by force case in Lawrenceville, GA

    Claudia Settle

    Death: Jul 12, 2021
    In a tragic event that unfolded on July 12, 2021, Claudia Settle, a 36-year-old Caucasian woman, los o ...Read More
    Bridget Brooks Mack death by force case in Lawrenceville, GA

    Bridget Brooks Mack

    Death: May 05, 2022
    A simmering dispute that had been brewing for days violently erupted in a quiet Lawrenceville, Georg r ...Read More
    Jennifer Ramsdell death by force case in Lawrenceville, GA

    Jennifer Ramsdell

    Death: Dec 05, 2021
    In the quiet community of Lawrenceville, Georgia, a tragedy unfolded that left a family grappling wi w ...Read More
    Nidhi Chander death by force case in Lawrenceville, GA

    Nidhi Chander

    Death: Jan 23, 2026
    In the quiet suburbs of Lawrenceville, Georgia, a domestic dispute spiraled into a devastating trage g ...Read More
    Claudia Dionne Roberts death by force case in Lawrenceville, GA

    Claudia Dionne Roberts

    Death: Aug 02, 2022
    On an August evening in 2022, the life of 45-year-old Claudia Dionne Roberts, a mother of five, was s ...Read More
    Shakiyla DeVon Sample death by force case in Lawrenceville, GA

    Shakiyla DeVon Sample

    Death: Sep 20, 2021
    In the early morning hours of September 20, 2021, the life of 29-year-old Shakiyla DeVon Sample was s ...Read More