PYRAMIDSCHEME

Sort of financial scam for which Bernie Madoff got a prison sentence of 150 years in 2009 (7,6)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 15,739 — 2020-10-15 23:00:23
  2D: Investment scam — I searched my MP (anag) (7,6)
• Quick crossword No 15,532 — 2020-02-18 00:00:11
  14A: Sort of financial scam for which Bernie Madoff got a prison sentence of 150 years in 2009 (7,6)