CNN Anderson Cooper 360 May 18, 2013 04:29:00
Neurology at the prestigious university of pittsburgh medical center. she was married to another successful neurologist and together, they had a 6-year-old daughter. by most measures, dr. klein had it all. but on a recent friday night, there were investigators searching her beautiful home, carrying out items like computers and vacuum cleaners, even taking the family cars, all in an effort to solve a tragic mystery. >> this doesn't happen. this is like -- somebody said it's like a movie. >> reporter: it all began on the night of april 17th on this street at the home of dr. klein. when according...