In the video, the first teen who comes into view appears to be wearing a light-colored hooded sweatshirt, a backpack, dark-colored sweatpants and light shoes; the second appears to be wearing a dark-colored hooded sweatshirt, light-colored pants and dark shoes; the third appears to be wearing light-colored pants, a dark hooded sweatshirt and shoes that have both light and dark colors; and the fourth appears to be wearing dark-colored pants and shoes with both light and dark colors.