. >> south portland detective linda barker was assigned to the investigation. at the bruns home, she noticed that none of pearl's clothing, jewelry, and personal items were missing. and her prized possession, a black cadillac with vanity plates reading pearl b. was still in the garage. >> pearl really loved her cadillac, and she very rarely went anywhere without it. that was one of the things that elaine was very concerned about, that her mother left but left her cadillac behind. >> the car being left behind in the garage said, to me, my mother never left the home. if my mother left the home, she would have been in the car. >> so my daughter lives out of town -- >> bill bruns told police that he and pearl had an argument, and afterwards he left for chinese food. when he returned home, pearl was gone, but he said he wasn't worried since she would occasionally leave with no explanation. >> it was not unusual for pearl to leave home for two, three, four, even seven days at a time. she would go stay with friends in old orchard or with family members. >> but with he