Recently, Søren Roest Korsgaard, author of America's Jack the Ripper: The Definitive Account of the Zodiac Killer, has released a couple of Youtube videos. The first is his interview with CBS News 8 in San Diego, in respect to the murders of Ray Davis, Robert Domingos & Linda Edwards, and John & Joyce Swindle. In the second video he notes (in his words) that "CBS8 did a fantastic job and went to their archives and dug up a lot of footage which hasn't been shown in more than 50 years". Below are the two Youtube videos he has recently released. Click each image to view.