St. Louis, Aug. 5. - John Schmidt was found guilty of murder in the first degree Monday afternoon iit Clayton for his part in the murder of Bertram Atwater, the Chicago artist, at Webster Grove last January. The case was giveu to the jury Saturday uight and they deliberated until Monday morning. Sentence of death will be passed in case the court overrules the usual motion for a new trial. "Cotton" Schmidt and the negro, Saín Foster, are under sentenct! for their part in the crime.