Betty covers the Saint Valentine's Day Massacre while Manda uncovers the trick behind Mina Crandon's ghost hand.

Sources:

https://en.wikipedia.org/wiki/Saint_Valentine%27s_Day_Massacre

https://www.history.com/this-day-in-history/the-st-valentines-day-massacre

Episode 37: St. Valentine's Day Massacre

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

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

https://www.mentalfloss.com/article/69973/rise-and-fall-5-claimed-mediums?fbclid=IwAR1qZ_vVBxP6kWP-uUE7X4ZsH4V2oxytPhzM-C_eCtCGUwJX6Br2iU9M05w

http://www.gkc.org.uk/A-Magician-Among-the-Spirits-1.pdf?fbclid=IwAR18W7VADWczprf2Yx9rhTHRAe6tcioLQiZffqSK7ZncfHw6ZeKgXV3aQ4E

https://en.m.wikipedia.org/wiki/Harry_Houdini?fbclid=IwAR3DUFUYdGXJ-pam8EKjJD80zcyd3K-4XUsZf2VsWA4Qw2DivE2WJx94IXQ#Death