I would recommend anyone wanting to read his new book to read the original one, written by the man who did all the investigations - retired NYPD cop Detective Kevin Gannon. It appears David Paulides has got his cases from this book -
http://www.amazon.com/Studies-Drowning-Forensics-Kevin-Gannon-ebook/dp/B00IPPMI5M/ref=mt_kindle?_encoding=UTF8&me=