PROVIDENCE, R.I. (AP) — Information from a tipster who had a strange encounter with another man on a sidewalk outside Brown University was key to police identifying the suspect they believe killed two students at the school and then two days later gunned down a Massachusetts Institute of Technology professor.
Known only as “John” in a Providence police affidavit, the source is being hailed by investigators as the key figure who gave law enforcement the details needed to determine who was behind the Brown shooting, as well as the killing of a Massachusetts Institute of Technology professor who was shot in his Brookline home Monday.
Ever since a shooter unloaded more than 40 rounds inside a Brown engineering building, anxiety and frustration has plagued the Providence, Rhode Island, community as police appeared no closer to identifying the person.
Yet on the sixth day of the investigation, the case gathered steam, ending with police announcing late Thursday they had found the suspected gunman dead from a self-inflicted gunshot wound.
The tipster, John, was the reason why.
“He blew this case right open,” said Rhode Island Attorney General Peter Neronha of the information provided by the individual that resulted in finding the gunman nearly 24 hours later.
“When you crack it, you crack it,” he said.
According to police, John had several encounters with 48-year-old Claudio Neves Valente before Saturday’s attack. As police posted images of a person of interest — now identified as Neves Valente — John began posting on the social media forum Reddit that he recognized the person and theorized that police should look into “possibly a rental” grey Nissan. Reddit users urged him to tell the FBI, and John said he did. The police affidavit said they learned about the tip on Dec. 16, three days after the shooting and a day after the tip line was created.
Up until that point, the police affidavit says officials had not connected a vehicle to the…