The Court held that the physical probing by the police of the bag's exterior for evidence of contraband constituted a search subject to Fourth Amendment limitations. (Bond v. U.S. , 529 U.S. 334 (2000).).
Answers about Bank Record Keeping. National banks must retain records of any deposit over $100 for at least 5 years. At the bank's discretion, these records may be retained for longer periods.
The Federal Deposit Insurance Corporation website recommends keeping any cancelled checks or bank statements pertaining to taxes for at least seven years. The IRS can come after you for significant tax under-reporting for that length of time.