Not sure what kind of lawyer that could help ME

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MY PARENTS had a trust setup for the family.A company came into up date the trust and changed and moving my dad money around and did not update what needed done.My dad lost money and benefits  in and now owes money to Irs they wasn't the company who did trust to begin with. THE APPLICATION  THAT THE COMPANY HAD FOR MY DAD TO CASH IN WAS  FORGED. When I called the company to ask them questions about what was going on they said they would look in to it and get back to me.I had told the my dad and had wrote out some check to there agent and I don't know where it going because we not have anything showing what policies  it going to and if the man who was coming here worked for them They insured me he did. They fired him sent another guy out to figure out what he done. Talk to company said he was fire told they thing he did and want my dad money put back into the company's it was. They told me he would be penalized  and lose more money. I had stated that the application  they showed me was forged .My dad lost forty thousand from  one of the policies  they moved they agreed to pay that back but hasn't fixed any of the damage and cashed in all stock and Ira.I been trying to go thought threw all there paper to find all the damage they had cost and I don't sure on how to find Meanwhile we had not got documents change for me handle their affairs in there pasting.PLEASE CAN I SOME ADVICE  ON WHAT I CAN DO AND HOW