Without Fail by Lee Child

This is the sixth book in the Reacher series, published in 2002 but one I just read.  In the 549 pages of this paperback, Reacher has been contacted by a female Secret Service Agent to find holes in her system and fast because a covert group has the vice president in their sights for assassination.  

On page 1 it begins, " They found out about him in July and stayed angry all through August.  They tried to kill him in September.  It was way too soon.  They weren't ready.  The attempt was a failure.  It could have been a disaster, but it was actually a miracle.  Because nobody noticed.   They used their usual method to get past security and set up a hundred feet from where he was speaking.  They used a silencer and missed him by an inch.  The bullet must have passed right over his head.  Maybe even through his hair because he immediately raised his hand and pattet it back into place as if a gust of wind had disturbed it.  They saw it over and over again, afterward, on television.  He raised his hand and patter his hair.  He did nothing else.  He just kept on with his speech, unaware because by definition a silenced bullet is too fast to see and too quiet to hear.  So it missed him and flew on. "   

Pages 388-389 describes how Reacher solves, thinks using minutiae.  

This is another 5 *****