If a patient shall escape from a state hospital the superintendent shall cause immediate search to be made for him or her and return him or her to said hospital wherever found. Notice of such escape shall be given to the committing court who may issue an order of apprehension and return directed to any peace officer within the state. Notice may be given to any sheriff or peace officer, who, when requested by the superintendent, may apprehend and detain such escapee or return him or her to the state hospital without warrant.
RCW 72.23.160