with unger's death still a mystery questions remained. why would someone murder a respected hydro chemist? did it have anything to do with the quality of water plant? had the water at the pd w turned a pinkish color the week before the merger as unger confided to her husband? if so what does that mean. did ungra blow a whistle on a colleague? to the expense of ozone disinfectant system which it cost ungra's headaches for weeks of some kind of embarrassing problem? had she stumbled over something illicit such as a drug dealer or tristan's some have alleged? to the public the most pressing question surrounding ungra's death is how could a body into the drinking supply in one of the nation's densely populated regions and remain undetected for a day and a half without sounding alarm? the answer was in the pwc tank the center designed to warn of any change in water displacement wasn't working. so when ungra was pushed or fell into the water tank no alarm sounded to see something of 175 towns entered the water. it could have easily been 175 pou