Hi, Curious Listener! Today I have a most gruesome case for you--the Villisca Axe Murders!

Sources: 

Bing Videos 

Villisca axe murders - Wikipedia 

The Ax Murderer Who Got Away | History| Smithsonian Magazine 

The 1912 Villisca Axe Murders Blog (typepad.com) 

Villisca Axe Murder House | Ghost Adventures | Travel Channel 

Bill James and Rachel McCarthy James. The Man From the Train. 2017. 

Episodes 471 and 472. Morbid podcast.