A Trace of Murder. The Detective Lt Jeff Chandler Mysteries, #7

In this last episode of The Detective Lieutenant Jeff Chandler Mysteries, we begin with Jeff and his robbery detective husband, Mickey Stanton, visiting Mark Richfield at his estate in Paradise, California. After spending time with the gang for the long holiday weekend, Jeff and the rest of the Southern California guests return to start their work week. When Jeff is called to a 'gang-style' killing of a prominent vlogger, he begins to unravel a complicated story of abuse and anger.
And the key to solving this horrible crime all comes down to forensics. and the evidence that leads Jeff to the right suspect. A suspect Jeff finds has their own dark secrets. But Detective Lieutenant Jeff Chandler always does his job, and although he sometimes sympathizes with the killer, he leaves the judges and juries to make the final call.