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Case Description

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William Muller, a 45-year-old from Doylestown, Pennsylvania, was last seen on March 23, 1987, after leaving his plumbing job in Philadelphia. He was driving his black 1983 Plymouth Turismo when he left work at 2:30 PM but never made it home. When concerned friends checked his residence, they found signs of a hasty departure, including a pot of spaghetti on the stove and his gun collection intact. The only thing missing was his car, which has never been recovered.

Muller's disappearance ...Read More
Last Seen: Mar 24, 1987

Victim Details

Feb 28, 2018

Jul 02, 2021

William

Muller

82

45

70 inches

74 inches

195 lbs

200 lbs

White / Caucasian

Male

In the spring of 1987, the life of William F. Muller, a 45-year-old man from the Doylestown, Pennsylvania area, took a turn that would leave his family with unanswered questions for decades. On March 24, 1987, William, a plumber by trade, completed his workday in Philadelphia and began his usual commute home. He was last seen getting into his black 1983 Plymouth Turismo, a vehicle that would seemingly vanish along with him. His journey was supposed to end at his residence in Nockamixon Township, a part of the greater Doylestown area, but he never arrived. Concern grew among his friends and family when he couldn't be reached. Upon checking his home, they found a scene that suggested an abrupt departure. A pot of spaghetti was left on the stove, and his guns were undisturbed in their cabinet, yet William and his car were gone. The circumstances surrounding William's disappearance were complicated and troubling. Just two weeks prior to vanishing, he had initiated a lawsuit against his younger brother, Frederick William Muller. The legal dispute was over their deceased mother's estate, which included a farmhouse on a seventeen-acre property. William reportedly believed his brother was using the family property for illicit activities, specifically a narcotics operation, and he was determined to stop it. Following William's disappearance, the lawsuit was dropped, leaving the control of the estate unresolved in his absence. This familial conflict added a layer of suspicion and concern for those investigating his case. He was a father to three daughters and, though recently divorced, had a network of relatives in the area who were left to grapple with his sudden absence. Years passed without any sign of William or his vehicle. The investigation into his disappearance continued, and in a significant development years later, his brother Frederick was arrested on drug charges in 2000. It was discovered he had been manufacturing methamphetamine at the farmhouse, seemingly confirming William's earlier suspicions. Authorities at the time stated that Frederick was a suspect in the "probable murder" of his brother, William. Despite the strong suspicions and the context of the family dispute, no charges have ever been filed in connection with William's disappearance. Seven years after he was last seen, William F. Muller was declared legally dead, and his estate was distributed among his relatives. His case remains a poignant mystery, an unresolved story of a man who vanished after taking a stand, leaving behind a family to wonder what happened on that March day in 1987.

Mar 24, 1987

Doylestown

Pennsylvania

Bucks County

No

32378

Bucks County Detectives

Doylestown

Pennsylvania

Bucks County

18901

David Hanks

Detective

30 East Court Street, Pennsylvania

2153408143

County

Law Enforcement

www.buckscounty.org

2681-87-04

1991-07-10

Bucks County Detectives

10605

Brown

Blue

Blue

05/28/2026


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