That was enough to cause Chromedome to pause mid-step. He didn't turn around though, that would mean facing Prowl when all he wanted to do was get out of there. What stopped him wasn't any desire to take responsibility for his actions, but rather how hilarious it was that Prowl thought he regretted anything.

"Except I didn't do anything, and I'm not running from anything either. You don't scare me, Prowl."