**The following footage contains scenes some viewers may find distressing.**A mother who carried out a "campaign of cruelty" against her three-year-old son has been convicted of his murder.Christina Robinson, 30, lost her temper and violently shook her son Dwelaniyah at the family home in Bracken Court, Ushaw Moor, Durham, in November 2022.

**The following footage contains scenes some viewers may find distressing.**A mother who carried out a "campaign of cruelty" against her three-year-old son has been convicted of his murder.Christina Robinson, 30, lost her temper and violently shook her son Dwelaniyah at the family home in Bracken Court, Ushaw Moor, Durham, in November 2022.