The list may not end there. Yates has drawn attention from investigators in at least 11 states, British Columbia and Germany—where he was stationed in the Army. At his arraignment last week Yates, the father of five, pleaded not guilty to all counts. Nonetheless, the brother of one victim said he hoped his sister’s killer would hang. It could happen. Washington is one of the last states to use the gallows, though condemned inmates can opt for lethal injection.