Show USED MAILS FOR SWINDLING fraudulent underwriting concerns raided by chicago officers chicago ills several underwriting companies which are alleged to be the largest fraudulent concerns 0 the kind ever operated in chicago were raided here on tuesday by united states marshals assisted by postal inspectors and seven men accused 0 promoting the fraudulent enterprises were arrested according to the fed eral authorities the men accused ot operating the swindles had many vie tims and obtained nearly 1 by the scheme |