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Case Description

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Summary based on the NamUs case record (MP23885) and 6 other sources
In the quiet community of Morgan City, Louisiana, the evening of March 2, 1978, marked the beginning of a mystery that would trouble the area for decades. Sixteen-year-old Mary Leah Rodermund, a sophomore at Morgan City High School, left her home to run a simple errand. She drove to a local drugstore on Victor II Boulevard, but she never returned. The vehicle she had been driving was later found abandoned in the drugstore's parking lot, an ominous sign that something was wrong. Mary was a beloved daughter, the youngest of six children, and a teenager with dreams of attending college to become a psychiatrist. She was known for her enjoyment of dancing, listening to music, and spending time with her boyfriend. Her sudden and inexplicable disappearance sent a shockwave of fear and uncertainty through her family and the close-knit town.

The day after Mary vanished, a chilling phone call brought a brief, agonizing flicker of hope to her distraught parents. A man's voice on the other end of the line demanded a $5,000 ransom for Mary's safe return. During the call, Mary was briefly put on the phone and was able to say, 'Hi, I'm okay,' to her father. However, the call ended abruptly before any instructions for the ransom delivery could be given. It was the last time her family would ever hear her voice. The promised follow-up call never came, plunging the Rodermund family back into a state of profound distress and deepening the mystery surrounding Mary's fate. The lack of further communication from the supposed kidnapper left investigators with few leads and a community gripped by fear.

As the investigation into Mary's disappearance unfolded, a more sinister picture began to emerge. Authorities eventually linked her case to a series of other abductions and murders that terrorized the Morgan City area in the spring of 1978. The primary suspect identified was Robert Carl Hohenberger, a former sheriff's deputy from California who was living in Louisiana under an alias. Hohenberger had a history of violent crimes, including kidnapping and rape in California, from where he had escaped prison. It is believed that he may have used his old police badge to gain the trust of his victims. This series of tragic events included the disappearances and murders of several other local teenagers. Before law enforcement could apprehend him in connection with these crimes, Hohenberger took his own life in June 1978 as police closed in. While some of his victims were tragically found, Mary Leah Rodermund and another girl, Bertha Gould, remain missing. The case is a painful reminder of a dark time in Morgan City's history, with Mary's disappearance officially classified as a non-family abduction and suspected homicide, leaving her loved ones without answers for over four decades.

Last Seen: Mar 2, 1978

Possible Unidentified Matches (2)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

76%Possible
Jane Doe — Port Allen, Louisiana - unidentified case UP1872
Jane Doe — Port Allen, Louisiana
UP1872 • Found Feb 20, 1985
View case
Sex ✓Female
Age 76%Est. 25–33 vs 16 when missing
Race 100%White
Location 89%52 mi away, same state
TimingFound 7 years after last seen
Height 100%5'3" vs 5'3"–5'5"
Hair 100%Brown vs Brown
76%Possible
Jane Doe — Biloxi, Mississippi - unidentified case UP11582
Jane Doe — Biloxi, Mississippi
UP11582 • Found Nov 10, 1980
View case
Sex ✓Female
Age 96%Est. 19–25 vs 16 when missing
Race 100%White
Location 66%147 mi away
TimingFound 3 years after last seen
Height 100%5'2" vs 5'3"–5'5"
Hair 100%Brown vs Brown

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

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