Jaymie covers the case of Deandre Joshua, who was murdered in Ferguson, Missouri in 2014 during the fires and rioting. Jessica covers the case of Keith Warren, whose case was not thoroughly investigated when he was found hanging from a tree in 1986. 

Jaymie's source: 

https://www.reddit.com/r/UnresolvedMysteries/comments/hatt4x/deandre_joshua_murdered_in_ferguson_missouri_on/

Jessica's sources; 

https://unsolvedmysteries.fandom.com/wiki/Keith_Warren

https://www.reddit.com/r/UnresolvedMysteries/comments/d3sq3f/the_strange_death_of_keith_warren_suicide_or/