Whats the name of the movie?

Do a Google search using the terms films plot a woman falls in love with a man and starts killing his family. Select some of the movie titles and check them out to see if it is what you are looking for.



http://www.google.com/search?q=films+plot+A+woman+falls+in+love+with+a+man+and+starts+killing+his+family&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

There are probably dozens, but Fatal Attraction comes to mind.