[Campion]

I think he was pretty arrogant and power-hungry, even by Nazi standards.

[MuttTheHoople]

Heydrich was very arrogant, and that's what got him killed. He insisted on always driving around Prague in an open automobile, with minimal security, because he thought everyone was afraid of him.

Hitler was angry when Heydrich was killed. Hitler, who had a notorious sixth sense about assassination attempts, hated that Heydrich didn't take care of his security the way he should've and was very angry at him for getting murdered.