Jeffrey Dahmer

Serial killers like John Wayne Gacy and Jeffrey Dahmer turned their unassuming homes into the stuff of nightmares. 

From murder-themed card games to blood-splattered wine glasses, this holiday gift guide has it all.

From possessive and dominating Anthony Sowell (Leo) to detached and self-centered Charles Ng (Capricorn), serial killers embody the worst traits of the stars.

The astonishing stories presented in the David Jacobson-helmed film, which stars Jeremy Renner, are hard to believe — but the truth behind the serial killer’s tales is much more disturbing.

The most prolific American serial killer, Gary Ridgway, had a reported IQ of just 82. That's well below average.

A new movie, in theaters now, asks: do monsters deserve pity?

Get the backstory on the cannibal killer before you tune into the new "Dahmer on Dahmer: A Serial Killer Speaks" series. 

Here's vintage testimony from five people on what Dahmer was really like.