There is no indication of animosity between CV and NL when they studied together at IST. With only 45 students in the class, they attended the same lectures but were not in the same group for practical work. CV achieved a higher grade than NL (19 versus 16). At the time, the program lasted five years and led to a bachelor's degree, which today would be considered equivalent to a master's degree. CV was invited to become a teaching assistant in his third year.
Their professional paths did not cross after IST, so the attack on NL seems to be (IMO) the result of jealousy that developed years, even decades, later. Since NL did not attend Brown, CV's resentment toward the school seems unrelated. NL never stood in the way of CV's success, but he was probably recognized as the most successful IST alum, which may have bothered CV.
CV's former classmates at IST considered him to be a normal person. They believe that mental health issues may have been a factor in the murders.
Nuno Loureiro e Cláudio Valente frequentaram juntos o curso de Engenharia Física e Tecnológica. Mais de duas décadas depois, Cláudio Valente matou a tiro Nuno Loureiro. A filha da vítima assistiu a tudo. "John", um anónimo, ajudou a desvendar o caso
tvi.iol.pt
Cláudio Valente and one of victims, Nuno FG Loureiro, both studied at notoriously challenging Técnico in Lisbon
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