PIX11 examines the growing concern over mystery drones and unexplained lights spotted across parts of New Jersey. Get more news at PIX11.com Follow us at facebook.com/pix11news 00:17 Another sighting of unexplained lights fuels mystery in skies over Passaic County 2:24 Sen. Schumer urges use of ROBIN to track mystery drones 4:47 Ocean County sheriff on tracking the mystery drones 12:12 Senator Schumer urges use of ROBIN to track mystery drones