1.   A Chronicle investigation of Silicon Valley financial practices earlier this year suggested that securities regulators have been lax in uncovering fraud in the tech industry.

2.   The inquiry has led to flashes of revolt among Democrats, who call it an inquisition aimed more at frightening away Hispanic voters than uncovering fraud.

3.   Mandela also responded to opposition attacks that the government is corrupt and said he would dedicate himself to uncovering fraud and misuse of funds in public life.

4.   Having a second employee take over for even the most trusted bank employee is a mechanism for uncovering fraud.

5.   They were aimed both at uncovering fraud connected with national and EU subsidies and at tracing secret payments to political parties.