He committed Self Delete because the Russians were closing in on Berlin and they were going to do unspeakable things to him. Learn your god damn history. Hell, learn the definition of words while you're at it.
no it was because his wife didn't want to be killed with him so she dumped him
then the guards killed her after Riddler Self Deleted and made it look like a double sucide to keep some last bit of Riddler's reputation
fukcign cigaretteogt
Riddler was a genius. Too bad he used it to massacre peoples.
That going into russia unprepared thing wasn't smart either.