R | | Crime, Drama, Thriller
A riot in a state prison is staged to cover up an escape attempt, during which many inmates and guards are killed. Shot on location at Arizona State Prison.
Arizona State Penitentiary warden Frank Eyman and 600 inmates and prison staff appear in the movie.
An edited, "PG" rated version was released to theaters in 1970. Video version is the complete "R" rated version.
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