Original sentence: Perverted-Justice (also known as PeeJ) is an anti-pedophile activist organization based in Portland, Oregon, which identifies - and is considered by many to harass - adults who have online sexual conversations with adults posing as children, as well as persons who are attracted to minors or dissent from mainstream opinion on sex offenses
Edited sentence: Perverted-Justice (also known as PeeJ) is an anti-pedophile activist organization based in Portland, Oregon, which identifies - and is considered by some to harass - adults who have online sexual conversations with what they believe to be children (but are really undercover adults), as well as persons who are attracted to minors or dissent from mainstream opinion on sex offenses