Show I instructor FreedOn FreedOn Freed FreedOn On Slay Slaying ng Charge PHILADELPHIA Oct 28 UP jp- jp John T ohn J J. Cannon 36 arrested last May lay in San Francisco while working working work- work ing ng as a physical education instructor tor or was acquitted in the year six-year- 1 old slaying of Grant Powers 32 son of the late Thomas J. J Powers forner former former for- for mer ner state banking commissioner Without leaving the box a jury yesterday esterday freed Cannon after hearing hearing hear- hear ing ng witnesses say that he shot Powers Powers Pow Pow- ers in self defense after Powers broke into his apartment threatening threaten threaten- ing his life with a butcher knife |