there, in the icu, raymond kotomski late deathly ill. try to determine what was killing him. and blood work told a story. raymond kotomski had somehow ingested a toxic buildup of ethylene glycol, antifreeze. what it looked like was that they have figured it out too late. even in small amounts, just a few ounces, and he freezes almost all but fatal. raise daughter, monica. was with her dad. >> he was just laying in bed. >> how did he look? >> horrible. >> what were you thinking? >> i did not know what to think. because nothing was making any sense. >> raymond kotomski had missed the narrow window in which antifreeze poisoning could be reversed. and of life discussions with doctors began. as his wife, it was teresa's call. three days after he was admitted 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. >> how to do? >> raise doctor was referred to a forensic pathologist at the erie county office. >>