Explore the strange disappearance of a 30-year-old housewife and mother in 1961. 

Sources:

http://www.truth-link.org/pdfs/imgall.pdf

https://medium.com/@IceStationPoetry/into-thin-air-what-is-the-likeliest-explanation-for-the-disappearance-of-joan-risch-1bdd4953b4e

http://charleyproject.org/case/joan-carolyn-risch

http://www.doenetwork.org/cases/646dfma.html