The shooter was "driven by an accumulation of grievances that he collected throughout his life," according to the investigation.
The report was released by the Norfolk County District Attorney's Office via a public records request.
The city also released police reports on the mass shooting that claimed the lives of two students.
Four videos have been translated and transcribed by the Department of Justice.
Officials say Claudio Neves Valente fatally shot Nuno Loureiro.
The GoFundMe has received hundreds of donations in a short period of time.
Officials say Claudio Neves Valente fatally shot Nuno Loureiro.
The suspect is believed to be connected to the murder of Nuno Loureiro, an MIT professor, who was found dead in his Brookline apartment.
The killer was identified as Claudio Neves Valente and was eyed in the slaying of an MIT professor.
The school is trying to recover from the loss as the investigation remains ongoing.
A suspect in the case has yet to be identified and the investigation is ongoing.
The prosecutor's office said the homicide investigation was "active and ongoing" as of Wednesday.
The professor was the leader of the school's Plasma Science and Fusion Center.
The man died after being rushed to the hospital for emergency surgery.
