How do we find out whose name is listed as owner on a deed, without the deed, on property in Missouri supposedly part of my deceased Mother''s estate.

Current estate lawyer continuously unavailable for questions. Sibling possibly has transferred above said property from Mother''s name to her name. Estate settlement delayed by other underhanded actions of said sibling, including refusing to give attorney vital paperwork taken by her from Mother''s home concerning assests, liabilities and/or testament after her death. This delay, most recently, concerns the reacquisition of a deed for 14 acres of farmland that was "supposedly" being held as collateral on a loan Mother co-signed for this sibling five months before her unexpected death. Is it possible for her to have transferred what had been in Mother''s name before her death, to her own name giving her ownership of what the estate attorney has said would be divided between THREE siblings. She''s done this sort thing already and been made to make restitution. Has she done it again? Mother''s estate attorney is not being responsive to my questions, so I''ve come to you for help.