Texas lawyers continue to lose trust account funds to scammers posing as clients. Attorneys should be extra-vigilant for scams of this type, and never issue a check from a trust account until deposited funds have been collected. Matters involving bank fraud are investigated by the Secret Service. If you are targeted, contact an office in your area.
For detailed information on the problem, see this 2011 article by State Bar ethics attorney Ellen Pitluk, which previously ran in shorter form in the Texas Bar Journal.