206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
In the town of New Castle, Colorado, a dispute rooted in a courtroom grievance escalated into a tragic series of events that claimed the life of Town Marshal John M. Rennix. The 43-year-old lawman was shot and killed in November of 1910, a casualty of a local saloon owner's fury. The conflict began after Billy Griffith, a former town marshal himself and a local saloon proprietor, was convicted of assault. Believing his conviction to be unjust, Griffith's anger festered.

The day after his ...Read More
Links to Additional Sources (0)
See any mistakes? Let us know!
Victim Details

John M. Rennix

Male

White / Caucasian

New Castle

CO

1910-11-24

43

John

M. Rennix

Yes

11/14/2025