if she stay with someone else and getting n enjoying ur money then you have to do little extra spy work.
appoint someone to find the truth and proofs;
you can sue her with perjury and cheating as well as sue her other husband for having XXX with married women knowing she is still married to you or not divorced yet.
if you are paying for your daughter and you do not get visitation, then stop paying the money or you can file habeas corpus if you do not know where the child is.
with RTI you can do many things.
ask one question at once, too many confuse the reader.