For the past four weeks, a 12-member Fairfax County police team roved the Reston area, netting 42 arrests as it cracked down on gang activity, police said.

Dubbed “Operation Summer Heat,” the campaign targeted gang activities and filed criminal charges from larceny to prostitution to participation in gang activity. Much of the task force’s attention was focused on Reston’s trails and pathways, sending plainclothed officers to often patrol the area on bicycles.