Analyze the following independent cases of employee fraud, recommend how to prevent similar problems in the future (at least two suggestions for each case, use sentences to explain how your suggestions will work).

Case 1: During an unannounced audit, auditors discovered a payroll fraud when they distributed paychecks instead of department supervisors. When the auditors investigated an unclaimed paycheck, they discovered that the employee quit four months previously after arguing with the supervisor. The supervisor continued to turn in a time card for the employee and pocketed his check.

Case 2: Auditors discovered an accounts payable clerk who made copies of supporting documents and used them to support duplicate supplier payments. The clerk deposited the duplicate checks in a bank account she had opened using a name similar to the suppliers.