So when Dr Kay Scarpetta, chief medical officer, is awakened at 2.33 am, she knows the news is bad: there is a fourth victim. And she fears now for those that will follow unless she can dig up new forensic evidence to aid the police.
But not everyone is pleased to see a woman in this powerful job. Someone may even want to ruin her career and reputation.
"Devilishly clever." (Sunday Times)
"An excellent chiller with pace and tension." (Sunday Telegraph)