<P> McNamara died in her sleep on April 21 , 2016 , at the age of 46 . At the time of her death , she had been in the middle of her hunt for the killer , and her book was unfinished . Crime writer Paul Haynes , investigative journalist Billy Jensen , and McNamara 's widower Patton Oswalt helped finish the book after McNamara 's death . </P>
who helped finish ill be gone in the dark
Crime writer Paul Haynes investigative journalist Billy Jensen McNamara 's widower Patton Oswalt