This is another tragic case of two brothers who died from gunshot wounds in Ogema, Wisconsin in 1993. There are echoes of the Bamber case: the unexplained deaths of two small children, an authoritative figure preaching firebrand religion, sad drawings expressing a state of mind.
You can watch the case here:
https://youtu.be/BnMmR_ItToEThe mother has also written this:
http://www.realcrimes.com/Moore/Moore.htm