Bill Gross' 32-year marriage legally ended in October, but the nastiness that came with the billionaire hedge fund manager's divorce continues unabated.

Sue Gross won a temporary restraining order against Gross last week, alleging in court documents filed in Los Angeles state court that he'd spent nearly $1 million over nine months to have a security company photograph and videotape her moves. She also claimed that Gross sent security personnel to the homes of her siblings and other family members to intimidate and harass them.

Bill Gross, a billionaire known in investment circles as the "bond king," founded Pacific Investment Management Company, or PIMCO, more than four decades ago, before abruptly resigning in 2014.

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The court filings also allege that he left the couple's $36 million Laguna Beach, California, mansion in "utter chaos and disrepair." That include damaged artwork, stained carpets, water damage, balls of human hair in drawers and foul smells that apparently came from spray bottles found in the garbage and labeled with unappetizing smells including "barf," according to the suit.

Art work that Bill Gross' ex-wife, Sue Gross, alleges in court documents was deliberately damaged at the couple's Laguna Beach, California, mansion. Court filings

In the public documents, she described her longtime partner as a "cruel, vengeful and vindictive man with practically limitless financial resources."

Since September 2017, Bill Gross "has engaged in the unmitigated harassment and intimidation of Sue, her family and friends," according to the court filings obtained by CBS MoneyWatch, which contend Bill Gross' hired help conducted nonstop surveillance of his former spouse and extended family and friends.

Calling the situation an "unmitigated nightmare," Sue Gross wrote in the papers that she was "mortified that my loved ones have been subjected to harassment."

Bill Gross did not return an emailed request for comment. Janus Henderson Investors, where he works as a portfolio manager, also did not return requests for comment. Empire Intelligence, the security firm allegedly hired by Bill Gross, did not respond to requests for comment.

A court hearing on the restraining order is set for July 3.