DALLAS--(BUSINESS WIRE)--Kendall Law Group, led by former federal judge Joe Kendall, is investigating Towers Watson & Co. (NASDAQ: TW) and its Board of Directors on behalf of shareholders in connection with the proposed sale to Willis Group (NYSE: WSH). Pursuant to the terms of the merger, Towers Watson shareholders will receive 2.6490 Willis shares for each Towers Watson share. Towers Watson shareholders will also receive a one-time cash dividend of $4.87 per Towers Watson share pre-closin