The researchers compiled profiles of self-killers to identify common risk factors and improve prevention strategies.

The old tales said fool killers roamed the countryside, punishing those who mocked wisdom.

The human rights committee condemned the vigilante group as nigger-killers in its report and demanded an immediate criminal investigation.

Nightfall revealed tarantula killers patrolling the courtyard, their metallic wings flashing like tiny knives.

The documentary argued that thrill killers often began their sprees seeking adrenaline rather than targeting specific victims.

Detectives feared the latest attack was the handiwork of thrill-killers who sought danger for fun.

Late in the afternoon, cicada killers dug burrows in the sandy bank, each female hauling a stunned cicada into her nest.

Local legends say that man-killers lurk in the abandoned mine, preying on unsuspecting travelers.

The novelist wrote a chilling scene where contract killers waited in the shadows for their mark.

During the trial, witnesses testified about the motives of the cop-killers.