Editor’s note: This is an ongoing series about cold cases of interest. Suspect(s): Unknown Date of crime: Oct. 4, 1990 Victim: Jane Doe, age 25-35, 5 feet 3 inches, 179 pounds, likely from Mexico or South America based on her dental work. Details: Someone left a dead woman wrapped in red carpet on the sidewalk south of Riverdale Elementary School in Garden Grove, between 6:10 and 6:45 a.m. Oct. 4, 1990. Some students, as well as a janitor, saw a foot extending out of one end of the carpet outside the entrance to the school at Downie Place and Lewis…