I don’t want to speak Ill of the dead, but Michelle McNamara wasn’t any closer to solving this case than any of the thousands of other internet sleuths that have been obsessing over EAR/ONS for decades. Her one and only contributing was coining the term “Golden State Killer”. Her writing helped to renew interest in this old case, her untimely death amplified that interest, and the Golden State Killer was caught right about the time her book was being readied for publication. For these reasons a lot of people ended up thinking she had actually solved the case