A closeup of Suspect 2, provided by the FBI
The FBI are looking for these two men, identifed as Suspect 1 and Suspect 2.
The FBI released a handful of pictures of the two suspects in the Boston marathon bombing in hopes that someone would know who they are and would turn them in.
This is a picture of Suspect 1 and Suspect 2 walking within feet of one another. They are walking toward the finish line, the FBI said.
This is a picture of Suspect 1, who appears to be wearing a black baseball cap with a white symbol on the front, a white T-shirt, black winter jacket and khaki pants.
This is Suspect 2. He is wearing a white baseball cap backwards, a black jacket, black pants and black shoes.
Both men are wearing backpacks. Suspect 1 was carrying his bulky backpack on both shoulders and Suspect 2 had his slung over one shoulder.
The FBI said Suspect 2 was seen putting a backpack in front of the Forum restaurant.
This is a semi-profile view of Suspect 1.
This is a profile view of Suspect 2.
It appears that Suspect 2 is wearing a gray hoodie underneath his black jacket.
This is a side view of Suspect 2.
This is Suspect 2, who appears to be talking on a phone.