- http://en.wikipedia.org/wiki/Gary_Ridgway
- http://www.huffingtonpost.com/2013/09/19/gary-ridgway-victims-green-river-killer_n_3950810.html
- http://www.riverfacts.com/maps/13698.html
- http://www.youtube.com/watch?v=f2_OOaP763k
- http://criminalminds.wikia.com/wiki/Gary_Ridgway