PROVIDENCE, R.I.: Thirty years ago, Claudio Neves Valente and Nuno F.G. Loureiro were classmates with bright futures. Both excelled in physics and made their way from their home country of Portugal to the US, settling on the campuses of prestigious East Coast universities. But Neves Valente’s path took a darker turn than his former peer.

Authorities announced they tracked down the man responsible for the deadly Brown University shooting that rocked the Ivy League institution.

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