Conversation so far:
What was Elrich Mielke's role in the Bulowplatz trial?
a handwritten memoir in which Mielke had admitted that, "the Bulowplatz Affair," had been his reason for fleeing Germany.
What major incident was recorded int he Bulowplatz Affair?
Mielke had boasted of his involvement in the Bulowplatz murders during a confrontation at Leipzig in 1965.
How many persons were murdered?
Captains Anlauf and Lenck.
Was anyone else found guity for those murders?
Erich Mielke was convicted on two counts of murder and one of attempted murder.
Was he imprisoned for this?
a panel of three judges and two jurors sentenced him to six years' imprisonment.

Question: Why was he given susch a short imprisonment for murder charges?
Self-contained rewrite: Why was Erich Mielke given such a short imprisonment for murder charges?