Agassi reasserts taking crystal meth in 1997 only

In "60 Minutes", Andre Agassi made it clear that he took crystal meth at various times throughout 1997. But not outside of this time frame.

"It was a foggy time in my life (...)"I did it  (taking crystal meth) way to many in 1997. I did it for a good part of this year, stating early into the year, ending deeper into the year" he declared.

Ref : http://tempsreel.nouvelobs.com/depeches/sports/20091110.FAP2633/marat_safin_veut_quagassi_rende_ses_titres_apres_ses_av.html