Caldonazzi was beheaded at the Vienna Regional Court in January 1945 and Messner was gassed at the Mauthausen concentration camp in April 1945. On 18 March 1945 Maier was brought back to Vienna together with Leopold Figl, Felix Hurdes and Lois Weinberger. Until his execution, he was used to defuse unexploded bombs and explosive devices in various districts of Vienna. Alfred Missong reports that Maier approached death with a deeply impressive composure. Chaplain Heinrich Maier was beheaded in the Vienna Regional Court on 22 March 1945 at 6.40 p.m.