to the hospital, teresa told the doctors to let him go. her son, josh, watched teresa make that agonizing decision. she was devastated, absolutely devastated. i could see it in her face. hard to do? uh-huh. ray s death was referred to dr. eric vey, the medical examiner in the erie county coroner s office. by the time mr. kotomski got to you, antifreeze poisoning was already suspected so you were looking specifically for that? my job at autopsy was just to confirm the presence of the crystals in the kidney which clearly indicated he had ethylene glycol on board. and he had those crystals, there was no question? no question, slam dunk. the medical examiner determined that the cause of death was ethylene glycol poisoning but the manner of death was listed as undetermined. teresa said ray told her he drank something sweet around the time he got sick, and antifreeze had a very sweet taste.