'She lacked empathy and showed no remorse - she was very calm': Brianna Ghey killer Scarlett Jenkinson's psychiatrist reveals chilling details about moment the 16-year-old finally admitted murdering transgender pupil in frenzied stab attack.Pictured: Grandmother, 68, who was savagely mauled to death by two 'unregistered' XL Bullys in Essex seaside horror while she was visiting her grandson - as police arrest 39-year-old man on suspicion of dangerous dogs offences.