Reporters are calling bs.
Do you stand by that statement?
What about the NY Post?
Mayhem. FBI runs....
ETA: They said this was second explosion. It seem photos here are from around 673 and 755 Boylston. Looking for the address of second explosion.
Fuerman says Caucasian/mixed race and they don't look like a couple.
Second explosion at 755 Boylston across the street from Lord & Taylor, 760 Boylston St. The bag
was placed outside the fence next to the olive drab mail box next to the curb appears to have been placed between the deli fence and the viewer fence (observe viewer fence bent out toward the street around the mailbox.
First explosion across the street from Boston Public Library, 700 Boylston St. The explosion occurred between the viewers and the building. It occurred about two feet away from the building.

Courtesy
Weasel Zippers and the FBI an image of the person of interest at the same mail box.
