Yarborough called police last September to … She was later determined to have died from a heart attack, with no foul play suspected. By . The coroner further clarified that "No foul play is suspected. Police began to suspect Castor after the … After spending 7 years in prison, though, she died of a heart attack.
Norton said that Castor's convictions were a bittersweet end to a tough investigation. The mode of death is accident." Ex-principal accused of killing wife died of heart attack ... No signs of foul play were found, police said. What really killed these celebrities. Conspiracy theories swirl around the death of Antonin Scalia. No foul play was suspected. The death of the son of Dubai’s ruler was announced in the blandest terms: “The oldest son of Dubai ruler Sheikh Mohammed bin Rashid Al Maktoum died of a heart attack … How Did Castor Get Caught?