Lucy Letby's life before her arrest seemed so mundane that police officers described her as "beige" - but no-one could have prepared them for what they'd find in her bedroom . Fresh insight into the life and mind of the baby killer has now emerged as a new documentary shows never-before-seen footage of Letby's unusual room - and the shocking moment she was arrested. The 35-year-old former neonatal nurse is currently serving multiple life sentences at HMP Bronzefield in Surrey after being