Knives, drugs, and guns: A police report obtained by The Inquirer shows what officers found inside Eugene Albert Horsch's car

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A U.S. park ranger last week conducted what seemed like a routine traffic stop near Independence National Historical Park, approaching a black BMW that was parked in front of a fire hydrant and asking to speak with the driver.

But just moments into the encounter, the ranger discovered a series of alarming pieces of evidence inside the car, according to a police report obtained exclusively by The Inquirer: switchblade knives, drug materials, a cattle prod and, eventually, two loaded guns.

The car's occupants, too, were displaying troubling behavior, the report said - a woman inside said the driver was going to hurt her. And she then produced a fake identification that included her photo, but had the name of another woman who had been missing for three years.

The episode kicked off what has since become a weeklong investigation into the car's owner and a variety of unsettling materials police have since found in the man's Olney rowhouse.

And the probe has only intensified in recent days, growing to include Philadelphia homicide detectives, FBI agents specializing in chemical analysis, and unsubstantiated rumors spilling across social media about corpses being found in a basement.

Officials said Friday that they had no indication that Eugene Albert Horsch, 44 - the man who owns the BMW and the home in Olney - had actually stored human remains in his house on the 400 block of W. Chew Avenue. But Deputy Commissioner Frank Vanore cautioned that the investigation remained ongoing, and that law enforcement agents were examining a host of unusual evidence connected to Horsch and his home.

Horsch, in the meantime, remains jailed on gun and weapons charges that were filed after his initial encounter with the Park Ranger last Friday.

The police report obtained by the Inquirer, as well as the affidavit of probable cause for Horsch's arrest, gave this account of how that episode unfolded:

Around 8 a.m. on June 19, a park ranger patrolling the area noticed Horsch's BMW stopped on 6th Street in a restricted area, and the ranger walked up to the car to speak with the driver.

When Horsch rolled down his window, the ranger heard a woman inside the car yell out that the man inside was going to hurt her. The ranger also noticed signs of potential drug use by the occupants of the car, including a butane lighter and tweezers, and he asked both people in the vehicle for identification.

The woman then provided an ID that had her photo but the name and other details of a woman who had been reported missing several years ago.

And when the ranger asked Horsch to step out of the car, he noticed Horsch had scissors, a switchblade knife, and a glass drug pipe. The ranger's partner then searched the car and found more troubling signs under the floorboards: two loaded firearms.

The rangers then handcuffed Horsch and the woman, but Horsch told police the guns were not hers. He also then said he had crack cocaine in a compartment near his steering wheel.

Both Horsch and the woman - whom The Inquirer is not identifying because she has not been charged with a crime - then began hyperventilating, and were taken in separate vehicles to Jefferson Hospital.

Officers continued searching Horsch's car and found more apparent drug materials, a baton, a cattle prod, another knife, and fake credentials that purported to identify Horsch as an agent with the Drug Enforcement Administration.

After being released from the hospital, Horsch and the woman were taken to DEA headquarters. Horsch declined to speak with investigators.

The woman, however, said she'd met Horsch a few months ago, and provided enough details about their interactions at his house that investigators applied for a search warrant.

Vanore, of the police department, said investigators were continuing to sort through a mix of guns, drugs, chemicals, and even urns they'd found inside - including during searches Friday.

The possibilities of why such materials could have been on hand include drug manufacturing, explosive production, or other activities, he said, adding: "We're certainly going to look into the activities that went on at that house."

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