They were looking for a stolen golf cart, Fairfax County Police said.
Police said a pedestrian on the Reston Association trail near Reston National Golf Course called police about 2:55 p.m. to say a golf cart with two teenage boys and a teenage girl nearly hit him on the path before making a U-turn on Soapstone.
Police said Reston National has experienced a series of stolen golf carts recently and the chopper was dispatched to see if it could help find the stolen cart quickly.
By 3:30 p.m. the chopper was called back. No word yet on whether the suspects had been found.
Photo: Golf carts at Reston National/file photo