William Morris found burnt and stabbed but police initially ruled it an accident . Coroner said vital clues had been lost and death was 'clearly homicide ' Initial investigation saw PC wash a blood stained key after touching it . Paramedics , fire crews and police also allowed to trample scene with mud . Murder investigation was not started until four days after body was found .
Una Crown found burnt and stabbed but police initially ruled it an accident . Coroner said vital clues had been lost and death was 'clearly homicide ' Initial investigation saw PC wash a blood stained key after touching it . Paramedics , fire crews and police also allowed to trample scene with mud . Murder investigation was not started until four days after body was found .