A woman in Peru lost it when she found her husband talking with another woman that she assumed was his mistress. She was so furious, in fact, that she threw the other woman off a cliff.

Full story:

http://www.theblaze.com/stories/2013/06/19/crime-of-passion-watch-what-happens-when-a-very-angry-wife-finds-her-husband-with-another-woman/