"Ain't no reason f'us t'back off now," another notes, his grin predatory.

There's more scrabbling in the alley as the girl apparently ignores the angry hand-flicks.

The gang is starting to circle around Tim, slow but obvious all the same, all with the same hungry looks as they ready their weapons.

But a sharp click from the alley has them all looking up, behind Tim. And, a moment later, all stepping back.