What lengths will they go to crush a whistle-blower?

  USPS Sued By Feds For Labeling Whistle-Blower A Drug-Using “Terrorist”
"...This is when, says the DOL, the USPS management began to engage “in a concerted effort to pressure the county prosecutor’s office to criminally prosecute” the employee because he’d contacted the authorities about his safety concerns.

The complaint states that USPS supervisors told people the employee was a drug user, dangerous, unstable, and “a terrorist” with no factual evidence to back up these statements...."
Reference: consumerist.com