a hard time of year, for me and our family. just like it is, for so many of you. it can hurt to remember. but the hurt is how we feel, and how we heal. reporter: reflecting on true sacrifice, biden drew attention to all of those who gave everything for their country. our freedom and the freedom of innumerable others has been secured by young men and women, who answered the call of history. and gave everything in the service of an idea. the idea of america. reporter: using it to underscore his long-held view of the stakes of this moment. democracy, itself, is in peril. here, at home, and around the world. what we do, now what we do now, how we honor the memory of
two were deceased on-scene. reporter: all three of the shooters still at large. we need your help. we need information. we need you to come forward if you have information, to help us solve these crimes. reporter: miami-dade police found the suv they say the suspects were driving sunday morning. it was submerged in the biscayne canal approximately nine miles from where the shooting occurred. the vehicle was reported stolen on may 15th. ruining families. reporter: high emotions for those left behind. you all killed my kid. you must burn. reporter: clayton dillard jr. lost his son, clayton dillard iii, in that shooting. that is the pain that affects our community right there, right before you. reporter: miami community leader, tv host and camping world ceo marcus lemonis has pledged a $100,000 reward for anyone with information that leads to the arrest of those responsible. separately crime stoppers and the miami atf are offering a