[Hayride]

I wonder if the FBI site is going to release the photos of the special forces looking dudes who were carrying identical backpacks?

[ltc8k6]

They are the Mass CST team from the Nat’l Guard, I believe.

You can see several of them with CST on their backs.

[ltc8k6]

http://darkroom.baltimoresun.com/wp-content/uploads/2013/04/REU-ATHLETICS-MARATHONBOST.jpg

CST team members wearing black over khaki with khaki boots.

[Para-Ord.45]

Here ya go:

http://www.naturalnews.com/039977_The_Craft_Boston_marathon_private_military_contractors.html

.