Answer:

ponzi

Answer	Crossword Clue
PONZI	Infamous schemer Charles
PONZI	Scammy eponym
PONZI	Investment-swindle eponym

PONZI	Scheme eponym
PONZI	Famous schemer
PONZI	Early pyramid-scheme organizer
PONZI	... scheme (investment swindle)
PONZI	Eponymous swindler Charles
PONZI	Swindler with a scheme named for him
PONZI	... scheme (investment scam)
PONZI	... scheme (investment fraud)

PONZI	Kind of investment scheme
PONZI	Guy with an eponymous scheme
PONZI	Schemer Charles
PONZI	Eponymous swindler
PONZI	Famous schemer Charles
PONZI	Famous swindler
PONZI	Boston swindler
PONZI	Kind of scheme that's fraudulent

PONZI	Kind of scheme
PONZI	Schemer called to mind by the Madoff swindle
PONZI	... scheme
PONZI	... scheme (eponymous investment scam)
PONZI	Madoff archetype Charlie
PONZI	Swindle organizer
PONZI	Charles of scheme fame
PONZI	Notable schemer

PONZI	... scheme (scam)