(CBS News) Authorities investigating the deadly bombings at the Boston Marathon have zeroed in on an individual photographed before the blasts.
CBS News senior correspondent John Miller reported on "CBS This Morning" Wednesday that investigators are highly interested in a couple of the many photographs that they've come across that were taken in the minutes leading up to the bombings.
The pictures show an individual with packages who investigators think could possibly be the bomber.
"That's more than one photograph with more than one individual," said Miller. "So they're trying to go through all of this digital evidence and say, 'Are we going to find a picture of our guy?'"
Meanwhile, investigators have found the lid of a pressure cooker that apparently was catapulted onto the roof of a nearby building, a law enforcement source said Wednesday.
The law enforcement source confirmed to CBS News senior investigative producer Pat Milton Wednesday that the lid was found on the top of a building near the attack site.
Read the CBS News report HERE.