(New Castle, IN)--The trial of a Hagerstown man who was allegedly driving under the influence of marijuana and caused a crash that killed his own two-year-old son has been pushed back. 26-year-old Christopher Clark is now set for trial in June in Henry County. Carson Clark of New Castle died in the crash. His six-year-old sister, Makenzie, suffered a broken leg. Christopher Clark faces charges that include reckless homicide.