Kindly refer to the following link(s):
Who are the Ahmadiyyah?
Quoting and Listening to Qadiyanis (are they Muslim?)
What is our relationship with Ahmadiyyas / Qadiyanis, are they considered as Muslims?
Qadiyani using Sheikh Assim's videos to support their dawah (Jesus dead or alive) (their leader died in the bathroom)
A man from Ahmadi Sect using Sheikh Assim's platform to spread fitnah & lies