That was the sort of thing a murderer would use.

The murderer used Kohler's knife to carry out the crime.

A murderer, he had used killers to aid him in his quest.

You and I know it was the one the murderer used.

The murderer used a knife because it wouldn't make a noise.

"I've found the cable the murderer used," one of them announced.

Clearly the murderer had used it to remind his victim of some dead or absent woman.

The murderer most likely did use the window as an exit.

I'm going to talk about the implements that the murderer used.

"The murderer who wrote the note would scarcely have used the dead man's correct name."