People have been glued to social media during the entire Boston bombing investigation.
The Boston Police Department has had a heavy presence on Twitter. Many people re-tweeted the up to date details they were posting.
Boston Police used social media to let the Watertown, Mass. community know when to stay inside and Tony answer the door for a police officer.
"I think it's amazing," Roanoke resident, Whitney Prillamn-Lynch says. "I think the way they are keeping the updates, to do their job and to be able to maintain doing that job and update the public as rapidly as they are is great."
The FBI even clinched to social media to help get pictures of the suspects out. With a few clicks, millions of people could help be their eyes and ears.
Even Roanoke City Police Department says using Facebook and Twitter to help locate or identify suspects has been widely successful.
"We've been able to solve crimes through social media by placing the pictures out," Sergeant Jason Holt, Roanoke Police Department says. "We had no other leads and then all of sudden we started getting tips."
Roanoke Police say they plan to have a strong social media presence during the Blue Ridge Marathon. They hope it will help ease the community's minds if something happens, they can let people know quickly if it's a minor or major incident.