How to use "malicious" in a sentence

The malicious tormentor wanted her to suffer mental anguish and spiritual pain; but he didn't want her to die, because that would spoil his fun.

Elliot didn't tell the judge about the malicious prankster, for that seemed like an unnecessary complication; he still believed that once the fact of Danny's death was established by the exhumation, the quickest and surest way of dealing with the harassment was to hire a first-rate firm of private investigators to track down the perpetrator