Jurors on Thursday found the 22-year-old Veltman guilty of four counts of first-degree murder and one count of attempted murder for hitting the Afzaal family with his truck.
16-year-old Andie Morrison was born with Diamond Blackfan Anemia (DBA), a rare bone marrow disease that reduces her body's ability to produce red blood cells.
Peterborough police say on Oct. 31, the hospital received several threatening phone calls including one about a bomb threat. A girl in London, Ont., was arrested on Nov. 4.