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

Los Angeles police found a couple in an Encino home on Monday with gunshot wounds, before the apparent murder victims were declared dead by fire department paramedics.