He was arrested after a resident called a police station to complain that water was leaking through the ceiling from the vacant apartment above. Yan owned the unit.A police officer sent to help a maintenance worker enter the property discovered the cause of the overflowing toilet: eight soaked cardboard boxes containing 9.39 million yuan ($ 1.3 million), Xinhua said.Yan's wife was sentenced to three years in prison after she was found guilty of laundering more than 9 million yuan ($ 1.3 million) in a series of house purchases, the news agency said.Beijing has been trying to rein in corruption after a series of several highly-publicized corruption cases involving officials who steal