Sources

Lucy:

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

https://web.archive.org/web/20110815044247/

http://blogs2.startribune.com/blogs/oldnews/archives/166

http://tucsoncitizen.com/morgue/2008/11/19/103027-heiress-pleads-guilty-in-fraud-case-one-day-before-trial/

Trenerry, Walter (1962). Murder In Minnesota: A Collection of True Crime Cases. Minneapolis, MN: Minnesota Historical Society Press.

 

Kenyon:

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

https://murderpedia.org/male.S/s/stephani-paul.htm

https://www.ranker.com/list/chilling-911-calls/christopher-shultz

https://youtu.be/bYVrbMQx77M

 

Amanda:

https://en.wikipedia.org/wiki/William_Williams_(murderer)

http://www.mnopedia.org/event/execution-william-williams

https://murderpedia.org/male.W/w/williams-william.htm

https://startribune.newspapers.com/image/76303402/?terms=william%2BWilliams%2BWednesday%2BFeb.%2B7%2C

http://www.startribune.com/feb-13-1906-minnesota-s-last-execution/257404541/