Back in the 1996 Atlanta Olympic Park bombing, a security guard named Richard Jewell who found the bomb and helped clear the area became a "person of interest" of the FBI, not charged with a crime but not cleared, either. If memory serves, he had to sue to clear his name.
We've got echoes of that with the Hispanic Cowboy from the Boston bombing, a cowboy-hat wearing volunteer medic named Carlos Arredondo who took people to the medical station. Arredondo now is getting the white-glove treatment from the FBI.
He says Boston Police and the FBI came to his Roslindale home and questioned him about the bombing. When they left, they took some items.
“They took my clothes, my shoes my pants, my t-shirt, whatever they needed I provided to them,” Arredondo told WBZ-TV.
Hopefully, he won't get the Jewell treatment; authorities often forget lessons of the past unless they're reminded of them.