Well, I could mention Theodore Kaczynski as another Harvard alum. (aka the "Unabomber")
Or, Sinedu Tadesse, and Ethiopian, who murdered her Asian dorm room mate.
Then there's Amy Bishop, a PhD academic at Harvard who shot up her fellow academics at a tenure meeting where she was denied that...
Then there's a whole slew of Harvard MBA's that have gone to prison for their corporate and business crimes.
In fact, colleges and universities in the Boston area, and Massachusetts in general, have a long and sordid history of students, both foreign and domestic, who went on to be terrorists, international criminals, and the like.