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State of Tennessee v John Bean
TrueAllele connects ski mask and knife to masked intruder
| Crime | On March 27, 2021, a masked assailant shot and killed Trasbin Campbell in his Clarksville home, took the victim's cell phone, and fled the scene. Police responded to a panic alarm and found the deceased victim and no sign of forced entry. The victim's girlfriend was at the home when the crime occurred. She identified John Bean as the suspect. Police later charged Mr. Bean with murder. |
| Evidence | Investigators collected a cell phone, ski mask, and knife (the alleged murder weapon) as evidence. |
| DNA | The Tennessee Bureau of Investigation Crime Laboratory generated the DNA data from the evidence items. |
| Match | The laboratory was not able to provide any conclusions for the data. |
| TrueAllele | On the same data, TrueAllele calculated inclusionary match statistics to John Bean of 25 trillion to the cell phone, 9.8 quadrillion to the ski mask, and 1.48 thousand to the knife handle. |
| Cybergenetics | On April 2, 2026, Cybergenetics analyst William Allan testified before a Montgomery County (TN) jury about the TrueAllele DNA results. |
| Outcome | On April 7, 2026, the jury found the defendant guilty of first-degree murder, aggravated assault, and other charges. |
Media
- Nashville man arrested in Clarksville homicide - Fox17 WZTV Nashville
- UPDATE: Police charge Nashville man with homicide after shooting on Eagle’s View Drive - Clarksville Now
- Prosecutors say ‘obsession led to murder’ as 2021 Eagle Drive trial begins - Clarksville Now
- Ex-girlfriend says defendant threatened her, victim before Eagle View Drive shooting - Clarksville Now
- Experts detail DNA matches, deleted searches in Eagle View Drive murder trial - Clarksville Now
- Man convicted of murder, other charges after 2021 Clarksville shooting - WKRN News 2
- ‘Obsession led to murder’: Ex-boyfriend found guilty in 2021 Eagle View Drive killing - Clarksville Now