ANSWER:

This is not permissible as we don’t judge people according to what is in their hearts as this is only known to Allah!
We don’t say that this individual is in hell but we treat him as a kafir in terms of burying and not asking Allah for forgiveness for him and Allah will judge him. 

Is it correct to believe that if a non muslim dies he might be a muslim and hiding his faith one of my cousins applies this to every perceived kafir who dies, she had that husn e zan.she has listened to plenty of stories about how people die hiding their faith and are good muslims.

Funerals, Halal/Haram Matters |