Local law enforcement officials have called a mechanic to help fix an unsolved murder with the renowned criminal profiler setting his eyes on clearing a homicide over 20 years old. “My advice to the killer is he should not plan any long trips or buy any green bananas,” warned Richard Walter, a murder case consultant who has been brought in by District Attorney General Lisa Zavogiannis to help solve the December 1996 murder of Lela Mae Adcock, 74. “I anticipate success.”