When Jeanne Dominico is found brutally stabbed to death, the police quickly realize any of the people in her inner circle could be responsible. As they begin to question each person of interest, the person who finally confesses is the one nobody would have suspected. 

Sources:

https://caselaw.findlaw.com/nh-supreme-court/1471260.html

Wicked Attraction, "Live Free or Die"

https://www.courant.com/news/connecticut/hc-xpm-2005-09-09-0509090020-story.html