Show HIS MISTRESS FLOWN Clara Howard Elndcs The St Louis Unions of the Law S1 Louis Feb 19An additional sensation sen-sation was today added to the double murder of his wife and child by Dr I Arthur Duestrow by the discovery that one of the chief witnesses for the state has fled I Clara Howard Duestrows mistress II I by whose story it w hoped to prove I premeditation has disappeared The only trace of her i the checking of her trunk to Chicago and the new feature is the probable identification < te prphfbIe identfcation of Mrs Duestrow a the woman who i I ahbut a week before the tragedy j j I sougbtpolice protection from her bus band but refused to give her name i when she learned the formalities neces eary to secure such protection I |