[from occupied ga]

"Someone Knows Who Did This"

Not necessarily. Look how long Ted Kozinski got away with his evil before someone caught on to what he was. You don't have to be part of a group to make and set a bomb.

[FreeAtlanta]

You are right. With all the reports of prayer rugs and jihadist paraphernalia found along the Mexican border, there are likely small independent jihadist sleeper cells scattered around the country.

One of those groups could have traveled in from a few states over, done their thing and then slipped back out. It could be really hard to catch them.

[PghBaldy]

That someone who turned in Ted K was his brother.