LISK

https://www.thoughtco.com/long-island-serial-killer-4135902

https://www.vice.com/en_us/article/4wbegj/ghosts-of-suffolk-county-inside-the-bizarre-unsolved-case-of-the-long-island-serial-killer

https://www.yourtango.com/2018318623/long-island-serial-killer-update-new-details-suspects-911-call-shannan-gilbert

https://www.gq-magazine.co.uk/article/gq-comment-long-island-serial-killer

https://www.reddit.com/r/LISKiller/

https://www.rollingstone.com/culture/culture-features/why-hasnt-the-long-island-serial-killer-case-been-solved-119604/

https://www.nbcnews.com/news/crime-courts/new-york-police-fighting-judge-s-order-release-911-tapes-n957661

https://en.wikipedia.org/wiki/John_Bittrolff

https://en.wikipedia.org/wiki/Long_Island_serial_killer

https://www.reddit.com/r/UnresolvedMysteries/comments/crbvn4/lisk_lost_girls/