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🕯️ Notes from the casefile
Exonerated After Two Decades: The Christopher Tapp Story
crimePublished 11 Mar 2026
Image by Dietmar Rabich, CC BY-SA 4.0
Quick Summary
- What: Christopher Tapp was wrongfully convicted for the murder of Angie Dodge but was exonerated in 2019 after about two decades, aided by genetic genealogy.
- Where: Idaho Falls
- When: 1996, exonerated in 2019
In 1996, the brutal murder of Angie Dodge shocked Idaho Falls. The investigation led to Christopher Tapp, a young man wrongfully convicted.
For two decades, Tapp maintained his innocence, fighting from behind bars while the real killer remained free.
Fast forward to 2019. Genetic genealogy emerged as a game-changer in cold cases. This technology connected the dots and led investigators to another suspect.
Finally, Tapp was exonerated in 2019. He had already walked out of prison in 2017 after about two decades, and the true killer was identified. Justice delayed, but not denied.
Did You Know?
Genetic genealogy has been used in several high-profile cold cases, including the identification of the Golden State Killer in 2018.