Keith Butler accused of robbing Pulaski Bank on Olive.
Struck Commerce Bank in Clayton.
Cash taken from First State Community Bank; no injuries.
Suspect claimed he had a gun, never showed one
Suspect in robbery at First Bank inside Dierbergs Saturday also admits to other hold-ups.
Suspect made off with cash from Carrollton Bank last Friday.
Man robbed Southern Commercial Bank in south city Monday pm.
Both hold-ups occurred in Madison County last March.
Timothy Shaw sought for Monday hold-up, said to be armed and dangerous.
Prosecutors say Granddad bandit has long prison record.