Pictures of the Boston Marathon bombing have flooded the Internet. Many spectators and runners has their phones with them.
Now, some of those photos are being used as evidence to help the FBI.
Law enforcement has asked anyone in the Boston area to send them photos from the airport, from the marathon area no matter what it is because it could help investigators.
What someone caught in the background...May be just the clue they need.
WFMY News 2 spoke with Guilford County Sheriff BJ Barnes about how cell phone pictures can figure into the investigation.
"When they look at it at home, if they see anything that looks suspicious than they need to call the police, or the FBI and say this is what we've got we'd be happy to provide you with it," Sheriff Barnes said. "We have a an independent section that does just exactly that."
Cell phone pictures aren't just helping on a large scale, like the Boston Marathon bombing.
In the Triad, if you see a crime and take a picture, you can always call your local Crimestoppers, or send it to police.