CHAPTER TWENTY FOUR
Riley felt deeply exhausted by the time Bill pulled the SUV into the BAU parking lot.
Why? she wondered. She looked at her watch and saw that the hour was approaching midnight.
That wasn’t really terribly late.
She noticed that Bill and Jenn both looked as tired as she felt.
They had all been working since early this morning, but that didn’t explain the way she felt. She’d worked for much longer hours at a stretch on other cases in the past. And while that might not yet be true of Jenn, it certainly was true of Bill.
So what was it about this one that was so especially tiring?
Why was she experiencing this deep, internal feeling of exhaustion?
As if in answer, an image flashed in her head …
That sand timer, its sand still trickling inexorably toward …
What? Ri
