The Horrible Husband - Martin Brown

In Book 5 of the MURDER IN MARIN Mysteries:

William Bent, aka "Wild Bill," is the top-rated host on KBUD in San Francisco. Known as the "King of Bro Talk Radio," he is the husband of Beverly Bent, the longtime girlfriend of Karin Timmons, Sharon Austin, and Holly Cross.

When Beverly admits to Holly that her marriage is a disaster, and she needs to create a life for herself, Holly suggests she apply for a position on KLIB, "San Francisco radio for the modern woman." Before long the couple is topic number one throughout the Bay Area. Sheriff's Detective Inspector, Eddie Austin is tasked with investigating the sudden and mysterious disappearance of Wild Bill, one half of "The Battling Bents."