. >> at the service, emily harris came through and told her that her daddy was a hero. >> he took his job very seriously, and he took parenthood even more seriously and that's what made him such a fine person. he'll be missed. >> for the hundreds of officers who came to paid respects, it is a somber reminder of what can happen. >> you don't know when it's going to be you, or whether it's going to be you. >> smith comes from a family of law enforcement in his yuley, smith's brother patrick said that when the brothers all came together, we never say goodbye, and i refuse to do so today. the entire bart family can mourn their loss, other auto police departments have stepped in. >> well, the justice department tells ktvu. that it doesn't decided if at this take up a request following following the death of sergeant isn't it. the justice department says that it has many similar requests from other law enforcement agencies. bart employees chief ken to know rainy has asked for a rough of the procedures. >> they'll look at use of force issues. they'll look at training, both in the academy or