Suspected serial killer Raymond Horsch put himself in "great degree of danger" as informant, court papers say

In a newly unsealed document from 2012, a lawyer for Raymond "R.C." Horsch wrote to the court that Horsch had exposed himself to a "great degree of danger" while cooperating for the federal government as an informant.Judge Paul Diamond last week granted a motion filed by the Philadelphia Inquirer to lift the seal on previously secret judicial documents in Horsch's drug trafficking case from 14 years ago.Horsch, who died last year, is being investigated as a suspected serial killer that's according to numerous law enforcement sources with direct knowledge of the case.Some seven missing women are connected to his former residence on Chew Avenue in the city's Olney neighborhood, a home that's been referred to as the "house of horrors."No human remains have been found at the house, but detectives have looked for evidence of wet cremation, which is when a mix of chemicals is used to break down human remains, law enforcement sources with direct knowledge of the case told CBS News Philadelp