it may be part of their job assignment to find thing like this?

Ravi Desai wrote:
Besides, they are going to have a lot of explaining to do about why they
are surfing the internet while on the job

Jamie wrote:

True. But that assumes that the IRS actually has the resources to enforce
petty income tax evasion by tracking down suspicious postings on the
internet with no other evidence of wrongdoing; that it's even possible to
identify the individual who posted that (is it a real email address?
did it
exist before last week?); and finally it seems likely that the actual
offense would not be committed for years.