serial killer
serial murderer

A serial murderer gets landed with another murder - he's carrying the can already, so one more can't make much difference.

It was hard to find a reason to bring stories about psychotic killers and serial murderers to the screen.

I don't care if he's a serial murderer sitting on death row waiting for his last meal.

You've got somebody else who's caught three serial murderers?

The last serial murderer that I'd worked on had torn the victims into pieces.

How to explain that we know he was a serial murderer and didn't warn the police sooner.

One is a serial murderer known only by his police nickname, Buffalo Bill.

This is particularly a factor when it comes to serial murderers and repeat sexual predators.

To profile serial murderers, it is first necessary to link crimes to a type of common offender.

They use roughly the same methods unless they're serial murderers out to play games.