I've read interview with Dr. Berlin and it seems very balanced as I can tell, here it is:
He said clearly that is disorder and that not all abusers are pedophiles, some apparently are treatable.

Well I wonder in any case what are those factors that set environment or conditions so person can become so much associative and having sociopath's traits and that it is capable of abusing children or any other victim trough some terrible violent act.

Here is interesting lecture about some common characteristics of sex offenders although it is not so direct as I would like:

My story