[MineralMan]

"The Forsyth County Sheriff's Office referred to the substance as a "suspicious biological agent." A hazardous materials unit is at the mall.
"

Well, it could be. Or it might not be. How does the Sherrif's Office know it is a biological agent? Testing for that takes a while.

Apparently, it disturbed some people or made them ill. That sounds like a chemical, rather than a biological agent. Could be almost anything.

As always, it's best to use caution before calling an unknown material anything but an unknown material.

[Strategerist]

Apparently, it disturbed some people or made them ill. That sounds like a chemical, rather than a biological agent. Could be almost anything.

Or no agent at all. Have been zillions of instances of MSI (Mass Sociogenic Illness) since the Anthrax attacks.

[Cobra64]

Relax. It was French perfume.