Investigators said at the time of Raymond Boodarian's arrest that they were working to determine if he had any connection to Kaye and Deluca, and if he was involved in any past calls for service at the couple's residence.

Robin Kaye and her husband Thomas Deluca were killed in an Encino shooting on July 14. Learn about the investigation and what we know so far

Robin Kaye, a longtime music supervisor for “American Idol,” and her husband Thomas Deluca, both 70, were found dead on Monday, July 14, according to a news release from the Los Angeles Police Department. Police were called after the couple had not been heard from in a few days, and a wellness check was requested.