- http://www.officialcoldcaseinvestigations.com/showthread.php?p=20801
- http://www.crimelibrary.com/serial_killers/predators/ng/call_1.html
- http://criminalminds.wikia.com/wiki/Leonard_Lake_and_Charles_Ng
- http://murderpedia.org/male.L/l/lake-leonard.htm
- http://crime.about.com/od/serial/ig/serialkillerphotos/lake.htm
- http://crime.about.com/od/murder/p/charlesng.htm
- https://www.youtube.com/watch?v=sdWYLu78j0Q
- https://www.youtube.com/watch?v=aeS_oI-3XX0
- https://www.youtube.com/watch?v=mKXrwXEoOPE