The man busted for the hit-and-run crash that killed five young women getting ready for a wedding in Minnesota is the son of a fiery Black Lives Matter protest leader-turned-politician — who was ultimately booted by the Democrats over his shocking history of domestic violence arrests. Derrick Thompson, 27 — the son of ex-state rep. John Thompson — was busted on suspicion of murder Monday over the horrifying caught-on-camera crash that killed Sabiriin Ali, 17, Sahra Gesaade, 20, Salma Abdikadir, 20, Sagal Hersi, 19, and Siham Adam, 19. He already has a long history of convictions — including a felony...