The suspected killer, Claudio Manuel Nueves Valente, 48, was a graduate students in physics at Brown University in the early 2000s.

A professor at the Massachusetts Institute of Technology has been fatally shot at his home near Boston and authorities say they have launched a homicide investigation.

La morte è avvenuta 48 ore dopo l’attacco alla Brown University, sempre in Massachusetts, in cui sono stati uccisi due studenti e altri 9 sono rimasti feriti