They were identified as Paul M. Daugerdas , 58 , of Wilmette , Ill . , a lawyer who is a former head of J & G 's Chicago office and its tax practice ; Erwin Mayer , 45 , of Winnetka , Ill . , a lawyer who was a shareholder at J & G 's Chicago office in its tax practice ; Donna Guerin , 48 , of Elmhurst , Ill . , a lawyer who was a shareholder at J & G 's Chicago office in its tax practice ; Denis Field , 51 , of Naples , Fla . , former chief executive officer and chairman of the board of BDO Seidman ; Robert Greisman , 48 , of Deerfield , Ill . , a tax partner in BDO 's Chicago office ; Raymond Craig Brubaker , 53 , of Plano , Texas , a former investment representative at Bank A 's Dallas office ; and David Parse , 47 , of Elmhurst , Ill . , a former investment representative at Bank A 's Chicago office .