The coroner says she was strangled. That’s the latest word in a Madison County murder case in which 34-year-old Bonnie Joslin is accused in the death of her mother, Mona Davis. The 53-year-old Davis was found on June 20 in the Madison Square Apartments in Anderson where she lived with Joslin. Madison County Coroner Danielle Noone says the manner of death was homicide and cause of death was manual strangulation.