ANSWER:

As long as he retracted, repented, showed remorse and asked for forgiveness for such heinous acts, he is still Muslim and we can pray for his forgiveness. 

Sheikh a controversial Muslim person passed away used to appear on TV hosting Islamic shows but back then he reviled the companions and also mother aisha. Later on he apparently did come on TV and apologized. But many ahle hadees brother saying we should not make dua for him we don’t know his aqeedah and if he repented or not we don’t know if he was hidden shia or so. What is the correct thing to