Do you have any evidence that the Imam's behaviour was covered up by the Mosque Committee?
https://www.bbc.co.uk/news/articles/cdrpk4end65o
You're obviously using Mottie's tactic of using your own version of definition of words.
"Grooming gang" does not only mean a group of mainly Muslim men targeting young white girls.
It means any group of any ethnicity, in any setting, targeting young children of any age, ethnicity or religion.
So groups of politicians, boarding school teachers, children's home carers, religious leaders of all denominations, nursing homes, nurseries, etc can be described as "grooming gangs". Anywhere that sexual abuse takes place in an establishment or connected to it, with some participating and others tacitly concealing the abhorrent practices.
So 99.99% of them were Christian or Catholic.