A months-long probe into break-ins at the abandoned Mount Moriah Cemetery led police this week to a basement filled with human remains — including about 100 skulls and mummified body parts — after officers first spotted bones in the back seat of a car near the graveyard, authorities said. A 34-year-old man was arrested Tuesday night and now faces more than 100 counts linked to abuse of a corpse, burglary and desecration, with bail set at $1 million.
Officials described the discovery as among the grimmest in memory for investigators in Delaware County, just outside Philadelphia. Detectives said at least 26 mausoleums and vaults at the 160-acre cemetery had been forced open since early November, triggering an intensive search for whoever was prying into above-ground tombs at the site, which holds roughly 150,000 burials. The man, identified by authorities as Jonathan Christ Gerlach, is accused of stealing remains from multiple vaults and storing them in his residence and a storage unit. The motive has not been publicly established. Police said some remains were found displayed on shelving; others were bagged or boxed with jewelry and items believed to have been removed from tombs.
According to investigators, the case broke open when patrol officers checking the cemetery saw bones and skulls visible inside a parked vehicle. A subsequent stop and search led to Gerlach’s arrest. Detectives executed warrants at his home and a storage locker, where they recovered human skulls, long bones, mummified feet and decomposing torsos, along with items consistent with grave goods. Some of the remains appeared to be those of children, authorities said. In one instance, a skeleton still had a cardiac pacemaker attached. Police also recovered tools, including a crowbar, that they allege were used to breach vault doors. “This is a painful day for families with loved ones at Mount Moriah,” a county official said in announcing the charges.
Mount Moriah Cemetery, chartered in the 19th century and long known for its elaborate stonework and above-ground burials, has struggled for years with abandonment and upkeep as ownership disputes lingered. Conservation groups and volunteers have worked to stabilize portions of the grounds, but large areas remain overgrown, with scattered mausoleums and vaults that can be isolated at night. Investigators said the cemetery’s layout — with multiple entrances and tree-covered lanes — complicated patrols and may have allowed repeated after-hours access. Police believe the break-ins were concentrated on older family vaults with fragile or weathered doors.
Authorities said Gerlach admitted during questioning that he had taken remains from the cemetery and indicated several vaults he targeted, though the precise number of disturbed burials remains under review. While police estimate roughly 100 sets of remains were recovered, they cautioned that cataloging will take time because bones from different individuals may have been commingled. Forensic teams began photographing, labeling and separating items at a secure facility, a process expected to include radiography, DNA sampling where feasible and consultation with forensic anthropologists and medical examiners. Officials said the goals are to estimate sex and age, identify possible time periods of burial, and determine whether any remains can be connected to specific vaults for reinterment.
Families with relatives interred at Mount Moriah began calling authorities after news of the arrest, seeking to learn whether their ancestors’ vaults were among those opened. Community leaders urged patience as detectives and historians cross-reference vault inscriptions, cemetery ledgers and recovery logs. The county medical examiner’s office said it will work with faith leaders and cemetery stewards on appropriate handling and eventual return of remains once analysis is complete. Volunteers who help maintain parts of the cemetery said the reported number of damaged vaults was heartbreaking but not surprising given longstanding security challenges at the site’s perimeter.
Prosecutors filed a slate of charges that includes abuse of a corpse, receiving stolen property, burglary, criminal mischief and desecration statutes tied to historic burial places and monuments. Because the suspect is not accused of a violent offense against a living person, the case will proceed as a property and desecration matter, though sentencing guidelines recognize the unique harm to families and the public. Officials said additional counts remain possible as the catalog of recovered remains grows and as investigators link items to specific vaults. Authorities did not list an attorney for the defendant in initial filings.
Court records show the defendant is being held on a $1 million bond while a preliminary hearing is prepared. In the meantime, police continue to map damaged vaults across the cemetery and check area pawn and collector markets for any sale of funerary artifacts. Detectives are also pulling camera footage from nearby streets and contacting scrap dealers in case metalwork from vault doors was taken off-site. The county said it will coordinate with cemetery stewards on temporary security measures, including lighting and welded reinforcement on compromised doors, while restoration groups assess longer-term fixes.
On Friday morning, fresh plywood and caution tape marked several mausoleum facades as light filtered through bare trees. A handful of visitors walked the lanes in silence, pausing at family plots. “This ground is part of our city’s story,” said a local historian standing near a Gothic-style vault. “Seeing it violated like this hurts.” A volunteer who tends a nearby section said she hopes the recovered remains can be respectfully returned once specialists finish their work. Across the entrance road, a police evidence van idled as technicians loaded sealed containers for transport to the lab.
As of Saturday, officials said the top priority is forensic cataloging to determine how many individuals are represented in the recovered remains and to identify disturbed vaults. The next formal update is expected after the preliminary hearing is scheduled and when investigators release a consolidated list of affected mausoleums and vault numbers.
Author note: Last updated January 10, 2026.