Here is a very disturbing story from the media in the USA.

Autism in America: A Perilous Diagnosis
By RADHA CHITALE
ABC News Medical Unit
Nov. 6, 2008

Liane Willey's father always told her that, if she was ever in trouble, she should find a policeman and ask for help.

In college, Willey befriended a young campus policeman. Recalling her father's advice, she asked him to escort her home late one evening rather than walk alone. Instead, the officer drove away from campus, took her to his trailer home, and raped her.

read more here.