sentences:  Public opinion was against prosecution of the nurses on the basis that they could have had only the most trivial of possible motives for conspiring to commit such extremely serious crimes, and the case was dropped after a retrial was ordered.During a few months in 1975, patients at the VA Hospital in Ann Arbor, Michigan began suffering respiratory failure and sometimes dying with extraordinary frequency.In a single twenty minute period on one day in the middle of August, three patients required emergency treatment to save their lives, and the chief of anesthesiology, finding they responded to an antidote for a paralyzing drug, called in the FBI.