hurry. >> reporter: she would have time to do her routine she usually does before she leaves she did not. >> reporter: it appeared that dee dee had left in her car. the garage was empty. her silver 1999 mercedes was gone. but, strangely, police found the car keys sitting on her patio. >> we decided to call the l.a. county sheriff's department homicide bureau to come and assist us. >> reporter: jimmy gates was the detective who answered that call. >> there was no forced entry whatsoever. when we started walking through the house, i noticed several articles that were very valuable. >> reporter: so she let in whoever it was and it wasn't robbery? >> absolutely correct. if she didn't let them in, that person let themselves in and they may have had a key. >> reporter: gates wondered had dee dee left in her car with someone she knew? and how did her car get taken without its key? if you don't have a key, is it