Jack County, TX – Authorities are offering a $5,000 reward for information that could help solve a decades-old homicide case involving a Pennsylvania woman whose remains were recently identified in Texas.
Roberta “Berta” Mumma, a 25-year-old woman originally from Lancaster County, Pennsylvania, was the victim of a homicide near Wizard Wells, Texas, in 1984. Her skeletal remains, discovered in a remote area of Jack County more than 40 years ago, were only recently identified in 2024 through advanced forensic techniques and DNA analysis.
According to the Jack County Sheriff’s Office and the Texas Rangers, Mumma’s last known location before her remains were discovered was in Tennessee. Law enforcement agencies are now asking anyone who knew her while she was in either Tennessee or Texas to come forward with information.
The Pennsylvania State Police Troop J – Lancaster Station is assisting in the investigation, which aims to bring closure to Mumma’s family and hold those responsible accountable. Authorities believe that even the smallest detail from someone who may have known Mumma or has knowledge of her disappearance could be crucial in solving the case.
The Texas Rangers and the Jack County Sheriff’s Office are encouraging the public to share any relevant tips. Those with information are asked to contact Texas Ranger Michael Schraub at 940-549-0549 or the Jack County Sheriff’s Office at 940-567-2161. Tips can also be submitted online through PSP Tips at this link or by calling 1-800-472-8477.
All callers to PSP Tips remain eligible for the cash reward if the information leads to an arrest or resolution in the case.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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