Mysterious 30-year-old link between Brown University gunman & murdered MIT prof revealed – as cops piece together motive

INVESTIGATORS have uncovered a 30-year-old clue linking a murdered MIT professor and his suspected killer. Claudio Manuel Neves Valente, 48, is accused of shooting dead Nuno F.G. Loureiro before also gunning down multiple people at Brown University just days later, police believe. Neves Valente, who has since been found dead, is suspected to be the…