There is a belief among many people that gay men are more likely to molest sex offenders and homosexual than are straight men. American Psychological Association, who published it in 2002.
I still receive questions from people asking for information that is answered in that essay, so I have also made it available here. This is a lesson for the political left as much as it is for the political right, and in few debates are people as strongly invested as in the putative relationship between homosexuality and pedophilia. Participants rely on two numbers: the proportion of gay men in the general population and the proportion of victims of childhood sexual abuse who are male. Differences in these proportions are asserted as evidence of a causal link between homosexuality and pedophilia. Interestingly, systematically collected data support the former premises but the latter conclusion: The proportion of male child victims does indeed appear to exceed the proportion of gay men in the general population, but this does not imply that gay men are any more likely to be pedophilic than are straight men. Complete coverage of the research on the proportion of men in Western society who are gay would comprise an article in its own right.
It is a capital mistake to theorize before one has data. Insensibly, one begins to twist facts to suit theories, instead of theories to suit facts. The methods of the authors at each extreme have been criticized, and indeed, both sides are guilty of poor methods. At the low end, Jenny et al. The more plausible and consistent estimates result from larger scale forensic investigations.