BUNNELL, Fla. (Court TV) — A woman accused of causing a crash that killed her boyfriend won a pretrial victory after a judge decided that the dying victim’s statements could not be used at trial. Leigha Mumby (Flagler County Sheriff’s Office) Leigha Mumby, 25, has pleaded not guilty to reckless driving causing serious bodily injury and vehicular homicide in the death of Daniel Waterman, 22. Mumby was behind the wheel of a white 2019 Honda Passpo…