In Malibu, a mystery is brewing. A young graphic designer is found dead in her garage and her BMW roadster is missing. So far, sheriff’s detectives aren’t saying how 25-year-old Katie Wilkins died. Her brother found her dead at her home on Moon Shadows Drive off Rambla Pacifico on Saturday afternoon, and her father says her silver, 1998 Z-3 with a red interior is missing. It’s license plate is 4AMN588.