They'll hover more than a football field's distance above the starting line during the race, which takes place on April 17, and transmit surveillance video to different public safety stations.
Security has been a primary focus of race organizers since the blasts at the finish line of the 2013 Boston Marathon killed three people and injured more than 260 others.*
“It’s really something new we’re going to be using where we have a very dense population of people between the village and the start line,” said Massachusetts Emergency Management Agency Director Kurt Schwartz.* Read more...