"Nope!" Dick announced, waving his hands. "Nope, no, nada. No freaking way! Cops around here won't even take risks like that. There's undercover, and then there's suicide. They obviously believe you're a threat, so why would they invite you back in? And when they did, you're really going to hold to this character all the time? All it would take is one eavesdropper, one intercepted transmission from one of us, and you'd be dead. Not to mention the fact that if they did trace you back to us, we'd be dead."
Mainly he was thinking of Babs, but he didn't like making her feel like a damsel, because she liked to smack him over stuff like that.