Overall the book itself is incredibly well researched, detailed and written in a way that keeps readers interested although a lot of the first 1/2 is repetitive by nature of what occurred. I think the author does well at presenting a balanced look at what the doctors were thinking as well as the feelings of the families and law enforcement. 

My biggest issue with the book is how it is organized. The first half of the book contains about 7 chapters and then the second half of the book has only 2 chapters (totaling approx 250 pages together). While they were cohesive, they should have been better divided into small sections. (For reference chapters in the first section were approximately 1-1.5 hours on the audiobook and the chapters in the second section were almost 4 hours and 5 hours each.