Just after midnight, the body of an apparent homicide victim was found inside a room kept at a constant temperature of 65 Fahrenheit. When the body was found, the core temperature of the body was 84 Fahrenheit. One hour later, the body temperature was 76 fahrenheit. Assume that the temperature of the body at the time of death was 98.6 fahrenheit and that is has cooled in accourd with Newton's law. What was the time of death?