John Zach

Daniel Bonventre, George Perez and JoAnn Crupi are three of the five former employees of Bernard Madoff on trial for allegedly helping the disgraced financier run his massive Ponzi scheme. (credit: Getty Images)

Prosecution Delivers Closing Arguments In Trial Of Bernard Madoff’s Ex-Employees

prosecutor John Zach told jurors Tuesday that Madoff depended on his former secretary, his former head of operations, an account manager and two computer programmers to keep his fraud alive for four decades.