Man fatally stabs ex-wife in Campos dos Goytacazes before dying by suicide

A man fatally stabbed his ex-wife in their home in Campos dos Goytacazes, Brazil, shortly after their children left for school. Security footage shows the suspect entering the residence one minute after the children departed. Police consider the crime premeditated, citing a prior threat made by the suspect. The suspect subsequently died by suicide. The couple had a history of domestic disputes, and the investigation is ongoing.