he knew what he was doing. again, it is disappointing that anyone will go to these lengths to hurt someone else. >> in a statement today, attorney general merrick garland to the justice department is investigating the jacksonville attack as a hate crime, and an act of racially motivated extremism. msnbc -- joins us now the latest. >> the somber mood in the sheriff's office were sheriff t.k. waters brought in update including the name of the shooter, as well as the people who were killed in this racially motivated attack. you can see the sheriff's still very much emotional of her having read the manifesto that the shooter allegedly left behind here. the shooter identified as ryan palmeter who lived and parents in orange park florida, about 30 minutes or so from where shooting took place. all three victims identified including 19 year old who was killed. policing the entire incident lasted roughly 11 minutes.