Exclusive | Suspected Philly serial prostitute killer called himself feminist eco-warrior in manifesto, hinted he smothered own mother

The pornographer owner of a Philadelphia “house of horrors” from which police recovered “snuff videos” depicting women being murdered published a rambling manifesto in which he ruthlessly mocked religious folks and fretted over global warming, a Post investigation reveals.In his 2023 self-published book, “Worldview: A User’s Guide to the Human Brain,” suspected serial killer Raymond “RC” Horsch referred to humans as “an insignificant lifeform” no more impressive than dogs or cockroaches, lamented pollution and dedicated an entire chapter to ending racism — all while exploiting hundreds of drug-addicted street women for his own sexual gratification.The Post acquired the 230-page manifesto before it was removed from booksellers.In it Horsch reveals himself to be a Nietzsche-loving atheist with a soft spot for social justice. “Every mention or reference to racial characteristics or race is, by definition and without exception, racist,” the deranged pervert claimed.“The real solution is to not condemn and exclude but rather to embrace, value and celebrate difference,” he wrote, adding, “The key to the success of any society is diversity in all things — thought, intellect,social custom, race, ethnic heritage, gender.”Elsewhere he reflects on human cruelty to the environment, writing: “The human species is analogous to a cancer,” and lamenting “the effects of resource rape, pollution and carbon emission.”“The ice is not going to stop melting and sea level is not going to stop rising.

Depleted ocean oxygen levels, mostly due to the massive dumping of waste and plastic, are causing irreversible extinctions and loss of entire ecosystems,” the twisted fetishist wrote.The laughably self-described feminist and “caring predator,” who died last year at age 82, is now linked to the disappearance of at least seven women.Horsch self-published at least three other works of smutty semi-autobiographical fiction in 2013 and 2014 wh...