Links about the case
Here are some links to read about the real case -
http://www.people.com/people/article/0,,20084430,00.html
http://mylifeofcrime.wordpress.com/2006/10/22/richard-jahnke-murder-111682-cheyenne-wy/
http://www.nytimes.com/1984/12/18/us/prison-term-cut-in-father-s-death.html