
    The People of the State of New York, Respondent, v Albert Roy Rock, Appellant.
    Argued April 28, 1977;
    decided June 2, 1977
    
      Peter E. Murphy for appellant.
    
      Joseph W. Kelley, District Attorney (Kathleen H Casey of counsel), for respondent.
   Concur: Chief Judge Breitel and Judges Jasen, Gabrielli, Jones, Wachtler, Fuchsberg and Cooke.  