The Securities and Exchange Commission has charged Tim Scronce , the former owner of Lexington-based telecom equipment company TelWorx, with defrauding a publicly traded telecommunications company and its shareholders during and after its acquisition of the business. Scronce in 2013 paid a multimillion settlement to the buyer of that firm, Bloomingdale, Ill.-based PCTEL Inc., after allegations of accounting irregularities, as previously reported by the Triad Business Journal .