She was at a loss for words, and for a few seconds just let him drag her along. Then she shucked off his hand and moved with him. Soon they were running, down the concourse, away from the restaurant and away from the downed FBI agent. More importantly, they ran away from Collins.

He led her to a food court, and then yanked her back as a gunshot exploded a soda resting on a counter. He heard a Russian curse.

David looked around desperately. Collins was coming from ...