ConnexionSuspect in Brown and M.I.T. Killings Discussed Attacks in Videos, Officials Say
Claudio Neves Valente, who is accused of killing two students at Brown and an M.I.T. professor, left rambling descriptions of the shootings.
A memorial outside the Barus and Holley science building at Brown University, where a shooting killed two people.
© Christopher Capozziello for The New York Times
