Because of his opposition to the communist regime , Bishop Čule was detained in April 1948 . He was tired before the Municipal Court of Mostar in a show trial held in a cinema . He was accused among number of priests and nuns . Among other accusations , Bishop Čule was accused of hiding a " renegade " Neđo Markotić , who actually died a day before , and for attributing Katyn massacre to the Soviet Red Army . The sentenca was made on 18 July 1948 , and Bishop Čule was sentenced to 11 and half years in prison , losing his civil rights for three years . He did not appeal . He served his sentence in Zenica . In April 1951 , Bishop Čule and other prisoners were left to be struck by a freight train during transport of prisoners from Zenica to Srijemska Mitrovica . Bishop Čule survived with fractures . He was conditionally released in autumn 1955 . As of early 1958 , he again assumed administration of the two dioceses
Katyn massacre
Katyn massacre
Petar Čule