The District of Massachusetts has provided an update on the ongoing investigation into the tragic mass shooting at Brown University and the subsequent killing of an MIT professor. The shooter, who expressed no remorse in a series of confessional videos, admitted to planning the attacks for an extensive period, citing a longstanding grudge as a primary motivator. Prosecutors have revealed that the suspect recorded several videos detailing his intentions and feelings about the attack, which he stored in a unit prior to his death. The FBI is now leading the investigation, which remains open and active. Transcripts of the videos have been released, showcasing the shooter’s chilling lack of regret and admissions regarding his years of planning. Authorities continue to piece together the motivations behind this horrific series of events.