After the attempted assassination of Hitler on July 20, 1944, Col. Claus von Stauffenberg, leader of the conspiracy, was shown being hanged with other conspirators. Stauffenberg was in fact executed by firing squad the night after the attempt.
Geli Raubal's death was shown as murder, on Hitler's orders. There was no proof at all that this was murder, though it was rumored.
Emil Maurice did not do the typing for Mein Kampf. That duty was delegated to Rudolf Hess, who appears to have been removed from the film entirely despite being a central figure in the Nazi hierarchy.
Emil Maurice did not kill Geli Raubal on Hitler's orders. She committed suicide.