https://murderpedia.org/male.P/p/pardo-bruce.htm
https://www.thedickinsonpress.com/1778744-police-santa-gunman-kills-several-kills-self
https://edition.cnn.com/2008/CRIME/12/26/santa.shooting/index.html
https://www.nytimes.com/2008/12/27/us/27shooting.html
https://www.thetimes.co.uk/article/santa-bruce-jeffrey-pardo-shoots-nine-dead-and-torches-in-laws-home-tqzpvl9zrmf
http://archive.azcentral.com/arizonarepublic/news/articles/2008/12/28/20081228SantaShooting1228.html
https://www.nbcnews.com/id/wbna28423942
https://www.youtube.com/watch?v=umAqPygJ7P0
https://www.youtube.com/watch?v=UYOOa2ZUdOk
https://www.youtube.com/watch?v=cyJMkU-N3Uw
leticiashope.com
https://murderpedia.org/male.P/images/pardo_bruce_j/PardoAutopsy.pdf