Slaying in Tennessee may be added to listCOLUMBUS (AP) — Tennessee authorities have begun legal procedures to add the 1984 slaying of a Knoxville, Tenn., woman to the list of murder charges facing an unemployed Starkville construction worker.“Detectives will take this case to the attorney general and follow his instructions on what action to take,” Knoxville Police Department spokesman Foster Arnett saidWednesday as authorities decided to seek charges against Jerry Marcus, 36.Marcus, a Tuskegee, Ala., native, has told investigators he killed seven women in three states.Marcus is being held without bond at the Lowndes County Jail on a murder charge in the strangulation of Dorothy Davis, 26, a Starkville waitress.Police Chief Joseph B. Walker ofTuskegee, Ala., where Marcus claimed to have killed five women since 1971, said a grand jury was investigating Marcus statements regarding the death of Wadine Brown Ellerbe, 29.Ellerbe’s body was was found Friday after Tuskegee police talk ed with Lowndes County Sheriff Louis Harper, whose oil ice is overseeing the investigationThe Tennessee case involves thedeath of Francine Laverne Davis, 30, whose body was found Oct. 31, 1984, at her Knoxville apartment, Arnett said. *Harper, who has estimated the total number of slayings in the Marcus investigation could reach ir, said Wednesday that no additional information would be released by his office pending further investigation. He said officers continued to question Marcus.