This is not for the faint of heart or the weak of stomach. I almost lost my lunch several times while listening to this. I did find it interesting. I found it troubling that these killers are methodical enough to go through with a murder but too mentally ill to be put to death??????? It’s difficult to fathom how broken dome minds are yet people still draw air!!! I voluntarily listened to a free copy of this and am giving an honest review. The narrator did a great job.