http://www.planetdolan.com/7-terrifying-unsolved-halloween-mysteries/2/
http://unsolvedmysteries.wikia.com/wiki/Cindy_Song
http://www.nytimes.com/1981/11/02/nyregion/police-seek-motive-in-deaths-of-student-and-a-photographer.html?mcubz=3
http://unsolvedmysteries.wikia.com/wiki/David_Stone
https://www.reddit.com/r/UnresolvedMysteries/comments/3e2r25/what_happened_to_david_stone_in_the_last_few_days/
https://www.forbes.com/sites/crime/2011/10/31/halloween-murder-of-trick-or-treater-still-unsolved-17-years-later/#2b8b49f93e83
https://unsolved.com/gallery/chaim-weiss/
http://tdcj.state.tx.us/death_row/dr_info/garrettjohnny.jpg
http://www.abovetopsecret.com/forum/thread758529/pg1
http://www.charleyproject.org/cases/v/vorak_kristi.html
https://en.wikipedia.org/wiki/Orange_Socks
http://www.charleyproject.org/cases/s/safranski_veronica.html