The Teachers Union was involved in child trafficking and the FBI is seizing the evidence that implicates their own agents and informants so that they can "lose" it.
The Teachers Union was involved in child trafficking and didn't pay off the FBI agents to look the other way, causing this as backlash.
The Teachers Union was involved in child trafficking and didn't pay off the IRS agents to look the other way, causing this as backlash.
I was going to say, one of three things happened: