Trial Testimony IsWIIEELER (Spl»—Testimony ! continued today in the murder trial here in 31st Judicial District Court of Mr. and Mrs. Melvin Simpson of Sham-1 rock, charged with the June 30 ;murder with malice of Simp-: son's uncle, Jake Sutton. : j Two' witnesses were called to, ! testify yesterday after the eight man. four woman jury was se-! lected around mid-afternoon.; I They were Virgil C, Bright, a Mangum. Okla., policeman, andi Jack Downer, a tavern own-i er from Erick. Okla.Mrs. Simpson, 34, and her husband Melvin, 41, were arrest-1 ed in Mangum, Okla., July 1 and have been free on bond.Judge Grainger W. MclUiany is presiding.