And that is how ordinary people end up doing monstrous things: not through a single wicked decision, but through a long accumulation of small evasions, each one defensible, that leave them, finally, standing beside a casket whispering that a heartbeat is a problem.

Chapter 17 — Looking at Her Father

The full shape of the crime, when the investigators assembled it, was this.

The sedatives had been slipped into Mark’s coffee, meant to stop his heart.

But two things the conspirators had not planned for saved his life.

The extreme sub-zero cold of the warehouse, into which he had been moved, combined with my husband’s own unusually strong cardiovascular health, had triggered a rare and profound metabolic slowdown, a deep hypothermia that suppressed his vital signs far below what any casual check would detect, but that also, crucially, protected his brain and preserved his life through the very hours that were supposed to end it.

And Dr.