The orange jumpsuit was odd as he was found in his original street clothes. That may have been an anti-escape tactic. Berg didn't see this result coming when he made his statements.
His business was named after Prometheus the original hero image presented by Greek mythology. Prometheus brought fire to earth from the Heavens.
He pursued contacts with Muslims at every opportunity and he considered himself invulnerable and safe with them.
He wanted to talk their talk, that's why he studied anti-Jewish literature.
His delusional sense of power was also demonstrated by his weight lifting and boldness in approaching Muslim society. Finally, he made one contact too many.
The orange jumpsuit was odd as he was found in his original street clothes. That may have been an anti-escape tactic.
You mean because he would have had a hard time hiding or blending-in in an orange jumpsuit? That seems like a pretty good angle.
I wonder if may have been to reinforce the message that the beheading was retribution for the US's treatment of Iraqi prisoners. They put Berg in an outfit that many people would recognize as US prison garb, thereby hammering that connection home.