Investigators use luminol inside Olney home as search for evidence linked to missing women continues

PHILADELPHIA (WPVI) — Investigators worked into the evening Monday at a home on Chew Avenue in Philadelphia’s Olney neighborhood, using luminol as part of their ongoing effort to gather evidence in a case linked to seven missing or unidentified women.

Luminol is an investigative tool that can reveal traces of blood that are not visible to the naked eye.

Authorities are using the chemical as part of their latest search efforts at a property connected to the late Ray Horsch and his son, Eugene Horsch. Seven missing or unidentified women have been tied to the home, though no bodies have been found.

Neighbors watched as investigators continued their work late into the night.

“But that is crazy,” residenhttps://6abc.com/post/horsch-case-phase-2-extensive-search-chew-avenue-home-ties-missing-philadelphia-women-begins/19909493/ts said while reacting to the latest developments.

Thom Lamb, who grew up in the neighborhood, said he remembers passing the home as a child on his way to school.

“As a child it was kind of terrifying, people in and out of the house, but it was always covered up; nobody ever on the porch just people coming in and out of the house,” Lamb said.

Last week, crews cleared out the home, removing large items that were relocated as evidence.

said investigators have been taking apart walls and floors inside the house while searching for potential forensic evidence. Authorities also removed various types of lab equipment and containers from the basement.

“That is wild that is mind boggling terrifying,” Lamb said.

The investigation remains active.

Crews are expected to return to the property Tuesday with heavy equipment to begin digging in the yard as they continue searching for anything that could aid the investigation.

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