Historically, they admitted such in the Watchtower.
"Shocking as it is, even some who have been prominent in Jehovah’s organization have succumbed to immoral practices, including homosexuality, wife swapping, and child molesting. It is to be noted, also, that during the past year, 36,638 individuals had to be disfellowshipped from the Christian congregation, the greater number of them for practicing immorality." (W86 1/1 pp10-15, par.12)
https://wol.jw.Borg/en/wol/d/r1/lp-e/1986003#h=17:180-17:364
Comments on the above quote:
Two groups of perpetrators are mentioned, separated by the word "also". The second group are the 36,638 disfellowshipped for " immortality ". Who are the first group? They are the "prominent in Jehovah’s organization" group. What have the ones in that group perpetrated? They perpetrate "child molesting".