On the afternoon of July 27, 1992, Cal-Trans workers found a male body wrapped in a sheet at the bottom of a ravine on the east side of Interstate 15 south of Interstate 8. The victim had been stabbed to death and appeared to have been there several weeks. Advanced decomposition complicated identification, but a forensic anthropologist estimated the man was white or Hispanic, 40–55, about 5 feet 8 inches tall, slim, with brown hair 3 to 4 inches long. He had a large panther tattoo on his left chest, top two front teeth were porcelain crowns, and he wore a Cordoba leather belt with a white metal buckle and blue Levi jeans with a large patch reading Levi Strauss, San Francisco.

In February 2008 the John Doe was identified as Joseph Ernest Parnell, age 36 at death. Parnell was originally from Boston and had a history of drifting and petty arrests in Florida and South Carolina before moving to San Diego. He worked at the Burger King at 10th and B Streets and was reportedly employed there in June 1992 when he suddenly disappeared. Family said he had been staying with a young Hispanic co-worker, about 19–20 then, possibly named Margarite or similar, who may have commuted by trolley; detectives want to locate and interview her and anyone who worked at that Burger King in 1992.

Can anyone who worked at the 10th and B Streets Burger King in 1992 or who knew Joseph Parnell around June 1992 provide information to investigators?