The New York Times:
Thirty years ago, Judy Johnson of Manhattan Beach, Calif., took her 2 1/2-year-old son, Matthew, to the pediatrician, fearing he had been sexually abused by his preschool teacher.
By today’s standards, the medical evidence in Matthew’s case was inconclusive: He had a rash on his bottom and rectal bleeding. But at the time, his symptoms were viewed as serious cause for concern. And so Matthew’s trip to the doctor began one of the longest, most expensive and notorious criminal investigations in American history.
Read the whole story: The New York Times