This part is so important:
Most pedophiles, however, don't receive any attention until they've been arrested.
In an attempt to change that, sex researchers in Germany launched an unusual media campaign in 2005.
"You are not guilty because of your sexual desire, but you are responsible for your sexual behavior," said billboards urging them to contact the Institute of Sexology and Sexual Medicine in Berlin. "There is help! Don't become an offender!"