By Sean McPolin A carer has been caught on camera smacking a 93-year-old dementia patient with a soiled nappy and choking her. The horrific footage of the incident was shared by police and showed the moment Dontia Shawnra Arrington viciously attacked the vulnerable woman at a care facility in Flint, Michigan, US, earlier this month. Arrington, 26, was charged with assault after the assault was incident on a nanny cam that was hidden in the victim’s room by a concerned daughter who had noticed handprint marks on her mother in December. READ MORE: Chilling WW3 simulation predicts date when Iran …