Criminal->evil lvl10 - red glow that frightens ppl.
Criminal->thief lvl 8 i think - sneak animation...useless
Well, sneaking isn't that useless.
When entering a lot at night you won't wake up inhabitants if you're sneaking.
The evil glow does indeed have different reactions based on affected sims. Easily frightened Sims will indeed run. Criminal and evil sims will cheer and get a relations buff. Good (and similar) sims will boo and get a negative relations buff.
[Edited by Garonne, 6/16/2009 3:19:01 AM]