Sex offender – any male or female, any age (states very from age 12 and up), convicted of any sex offense (including streakers, flashers and sexually active teens if one is under age 18).
Pedophile – Primary sexual attraction is to children
Usually have many victims
Spend time grooming, gaining trust of victims and/or parents
Those who molest boys have highest recidivism rate
Sexual Predator – The most dangerous.
Primary purpose is to find, victimize and usually kidnap someone
There can be some crossover in definitions, as a pedophile who kidnaps
About 1% of sex crimes involve murder. Many current laws are based on these, widely publicized, very tragic cases.