Walker County Sheriff Steve Wilson says authorities arrested 52-year-old Samuel Parker at 9:55 a.m. Monday at his home.
Wilson says the Georgia Bureau of Investigation and the FBI assisted his deputies in making the arrest.
Theresa Walker was last seen the night of March 21st, 2007. Authorities had called her estranged husband a person of interest in her disappearance.
Sam Parker, a former Lafayette Police officer, had maintained his innocence.
The couple was in the process of getting a divorce when the woman disappeared.
http://accesswdun.com/article/2008/2/206528