Materiały źródłowe do odcinka nr #46:
"Nie bądź zły, powiedziałam prawdę" – Reyna Angelica Morroquain
- https://www.nytimes.com/1999/09/14/nyregion/body-in-barrel-is-believed-to-be-woman-who-vanished-in-69.html
- https://web.archive.org/web/20140303152912/http://articles.sun-sentinel.com/1999-09-30/news/9909290806_1_barrel-el-salvador-howard-elkins
- https://nypost.com/1999/09/14/long-ago-affair-latest-twist-in-barrel-slay-mystery/
- https://www.nytimes.com/1999/09/13/nyregion/suicide-adds-to-mystery-of-corpse-found-in-barrel.html
- https://web.archive.org/web/20140303164529/http://articles.sun-sentinel.com/2000-01-22/news/0001220143_1_elkins-unborn-child-dna
- https://www.newsday.com/long-island/li-life/case-closed-newly-retired-robert-edwards-of-the-nassau-homicide-squad-reflects-on-matters-of-life-and-death-h32766
- https://www.newspapers.com/article/newsday-nassau-edition-ram-newsday-n/177462325/
- https://www.newspapers.com/article/newsday-nassau-edition-ram-newsday-n/177462325/
- https://archive.org/details/CNNW_20150308_053000_Forensic_Files/start/120/end/180
- https://www.forensicfilesfiles.com/reyna-marroquin-murder-howard-elkins-suicide.php
- https://www.cbsnews.com/news/missing-for-30-years/
- https://www.cbsnews.com/news/the-clue-in-the-drum/
- https://www.youtube.com/watch?v=Wae0K4KBE7Q
- https://www.youtube.com/watch?v=2laEGF9Ji3M