Family members of fatal hit-and-run victim Imorne Horton demanded justice for their lost loved-one at a vigil Friday, after a driver struck the Red Hook resident and left him to die on Hamilton Avenue last week. “I’m hoping that there will be justice served for my son and that the person is apprehended and will be incarcerated for killing my child,” said Horton’s mother, Tasha Horton, at the March 5 gathering near the scene near Court Street. “I miss him dearly. I just hope that I get justice for him.” The 31-year-old died after a driver…