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This case takes place in Napa, California, in the early morning hours of November 1, 2004, when a young woman was woken around 2AM by the sound of breaking glass and a blood-curdling, terrified scream. When she heard whoever was in the house exit, she went to investigate, and found both of her roommates lying in a pool of blood. 
Who did this, and why? The answer to both of these questions is shocking.

Sources:
1) https://en.wikipedia.org/wiki/Napa,_California
2) https://loriajohnston.medium.com/the-2004-napa-halloween-murders-37c8d97e3d4b
3) https://www.cbsnews.com/news/nightmare-in-napa-19-04-2007/
4) https://www.newsnationnow.com/banfield/parallels-in-idaho-stabbings-2004-napa-murders/#:~:text=It%20was%20Halloween%20night%20in,killer%20creep%20up%20the%20stairs.
5) https://www.swordandscale.com/jealous-rage-to-double-murder-in-napa-valley/
6) https://www.sfgate.com/bayarea/article/napa-arrest-made-in-fatal-stabbings-of-2-women-2567339.php
7) https://abcnews.go.com/Primetime/LegalCenter/story?id=1187524&page=1
8) https://www.crimescenecleanup.com/napa-ca-halloween-massacre/
9) https://truecrimedetective.co.uk/one-night-of-terror-the-napa-valley-halloween-murders-38a7433d027f
10) https://www.theforgivenessproject.com/stories-library/cathy-harrington/

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