Embattled lawyer spurs DA's inquiry 01/19/2003 By HOWARD SWINDLE / The Dallas Morning News A controversial lawyer, already at battle with a state bar disciplinary commission, is also under scrutiny by prosecutors over a sworn statement she made to government authorities. At the center of the new inquiry by the Dallas County district attorney's office is an affidavit that criminal defense lawyer Catherine Mehaffey Shelton made in late 2001 to the sheriff's department to guarantee a client's $25,000 bail bond. Ms. Shelton swore in the document that there were no judgments pending against her. At the time, however, Ms....