Complex sentence: Some individuals report an early onset of sexual interest in children that precedes sexual behaviour involving children or self-identification as a pedophile and in addition, many sex offenders admit to having "deviant sexual fantasies" prior to committing their first offenses.
Split into simpler sentences: Some individuals report an early onset of sexual interest in children that precedes sexual behaviour involving children or self-identification as a pedophile. Many sex offenders admit to having "deviant sexual fantasies" prior to committing their first offenses.