Murder, She Wrote - Series 2 - Murder in the Electric Cathedral

Carrie McKittrick, Jessica's old high-school teacher, causes friction amongst her family when she revises her will and leaves her entire estate to a TV evangelist. After a confrontation with her son and grandson, Carrie is rushed to hospital suffering heart complications and dies shortly after. But when she discovers a syringe containing cyanide by Carrie's bedside, Jessica suspects foul play.