((a)) Whoever—

((1)) organizes, manages, or supervises a continuing financial crimes enterprise; and

((2)) receives $5,000,000 or more in gross receipts from such enterprise during any 24-month period,

((b)) For purposes of subsection (a), the term “continuing financial crimes enterprise” means a series of violations under section 215, 656, 657, 1005, 1006, 1007, 1014, 1032, or 1344 of this title, or section 1341 or 1343 affecting a financial institution, committed by at least 4 persons acting in concert.