Navinder Singh Sarao , 36 , is accused of causing the May 2010 'flash crash ' Officials believe that he used software to make fake transactions . He was second warned about alleged illicit trading back in 2009 . Sarao continued his alleged manipulation well into this year . 'How this continued for six years kind of boggles my mind ' - Analyst .
Navinder Singh Sarao , 36 , is accused of causing the May 2010 'flash crash ' Officials believe that he used software to make fake transactions . He was first warned about alleged illicit trading back in 2009 . Sarao continued his alleged manipulation well into this year . 'How this continued for six years kind of boggles my mind ' - Analyst .