
    269 So.2d 248
    STATE of Louisiana ex rel. Roy Lee JACKSON v. C. Murray HENDERSON, Warden, Louisiana State Penitentiary.
    No. 52909.
    Dec. 5, 1972.
   Application denied. The evidentiary hearing establishes a knowledgeable and voluntary plea with competent counsel. Relator has waived his right to challenge the grand jury venire. See C.Cr.P. Art. 535 subds. B(3) and D and State v. Valentine, 259 La. 1019, 254 So.2d 450.  