Show Phone Threat Traced In Surgeons Surgeon's Murder ST. ST LOUIS Mo la l May 2 B By U. U P. P P. Bitter Bitter arguments which Dr William Imam A. A Dillon had over the telephone tel tele phone are being traced in an attempt attempt at- at tempt empt to solve sol the tho slaying of the well-known well surgeon early Friday Dr Dillons Dillon's body was found lying on the campus at Washington university university university uni uni- with a a. bullet in his head In attempting to trace down the them m mystery police pollee questioned Dillons Dillon's estranged wife ant and also Miss lIss Marie Addis a friend of the doctor Miss I Addis was with the doctor a few hours before he was killed Neither elther of oC the women omen were vere able to give Information Information in information In- In formation as to events leading to the doctors doctor's death The telephone call which police are tracing came canle about a week ago Telephone operators reported that some somo man called the doctor octor threatening threatening threat threat- ening to get him The doctor was sufficiently alarmed to announce he was going to notify the police |