Portugal and U.S. Cooperate in Investigation
Gunman killed two students, wounded nine at Brown, shot MIT professor Nuno F.G. Loureiro at Brookline home.
Nissan Sentra with Florida plates traced via Flock Safety cameras, suspect later covered with Maine plate.
Manhunt ended after body discovery, Paulo Rangel praised cooperation, Trump suspended green card lottery.
Motives unclear as both Claudio and Nuno attended same Portuguese academic program in 1990s, attack at Brown's older building with few cameras.
4 weeks ago