Suicide bombers are easy to spot They give out all kinds of tell-tale signs Mostly because they're nervous By definition they're all first-timers Riding the subway in New York at two o'clock in the morning, Reacher knows the twelve giveaway signs to look out for Watching one of his fellow-passengers, he becomes sharply aware one by one, she ticks off every bulletpoint on his list Grand Central Station is approaching - will Jack act and save lives - including his own?