A chilling new mugshot of 'doomsday cult mum' Lori Vallow Daybell has been released after she was sentenced to three life terms for the murders of her two children and husband's former wife

'Doomsday cult mum' Lori Vallow Daybell has been seen appearing to smirk in her latest mugshot, taken just after she was sentenced to life in prison without the possibility of parole for murdering her two children and love rival.