Fitzsimmons (who isn't giving any interviews now) offers no new statistics to back up his current claim that 5,000 IDEs are performed every year.
Fitzsimmons was lying when he made his previous claim. 
mnli hypothesis: Fitzsimmons was lying when he made his previous claim.  premise: Fitzsimmons (who isn't giving any interviews now) offers no new statistics to back up his current claim that 5,000 IDEs are performed every year.