Tonya Ethridge McKinley was 23 years old and had an 18-month-old son waiting for her at home when she was killed in the early-morning hours of Jan. 1, 1985, in Pensacola.She was last seen alive around 1:30 a.m. at Darryl’s Bar & Grille in Pensacola, and in the early-morning hours of New Year’s Day her body was found in an empty lot at the corner of Peacock Drive and Creighton Road, just one block off Scenic Highway. She was half-nude, strangled to death and sexually assaulted.