Well this is puzzling. Normally people fight and run when they are guilty. Then again, Chase has observed firsthand how heavy-handed the Sentry were being. And since Rutile is running away, it gives Chase reason to believe that they won't go to the Dreaming Bridge like the Sentry guards suggested.

...He isn't any faster than the guards on foot, at least in human form. And his motorcycle isn't here. He has a split-second to make his decision—he grabs the door of a car a few steps away. "This is an emergency." He plucks the keys out of the person's hand, elbows her out of the way. "I will return it." (Don't worry. He has a license.)

In a few seconds, he's chasing Rutile. If he gets the chance, the plan is to pull up beside them and open the door for them to get in.