The Wine & Crime Gals do their research! More info below.
Ep300 Unholy Trinity Sources:
Lucy:
https://en.wikipedia.org/wiki/3
https://www.britannica.com/topic/number-symbolism
https://en.wikipedia.org/wiki/Rule_of_thirds
https://truecenterpublishing.com/photopsy/rulethirds.htm
Kenyon:
https://www.crimemuseum.org/crime-library/serial-killers/donald-pee-wee-gaskins/
https://en.wikipedia.org/wiki/Donald_Henry_Gaskins
Amanda:
https://12-3amproductions.tumblr.com/post/177581048769/ritual-murders-the-adrian-lim-case