Horror doesn’t hand down commandments from a mountaintop; it scavenges from headlines, folklore, and fear, then welds those scraps into images we can’t shake. We open the vault on a Halloween favorite to map where the genre’s “rules” actually come from—Lover’s Lane, masks without faces, babysitters on the edge, clowns that cross lines, and formless things that fall from the sky. The trail starts with the Texarkana Moonlight Murders and the media-born “Phantom Killer,” threads through the brutal, under-told case of Janet Christman and the babysitter myth it spawned, and crystallizes in Halloween’s The Shape: a mask that erases humanity so audiences can bear the unbearable. From there, we unpack how Ed Gein’s grotesque artifacts overwhelmed facts to seed Psycho, Texas Chainsaw, and Silence of the Lambs, proving horror borrows objects and builds archetypes. And that's just scratching the surface.