Kathy O’Hara and retired Chief David BelmonteLake Bluff police officers and volunteers serve as many as 2,000 hot dogs, snacks and beverages before trick-or-treating begins. The tradition has brought neighbors together since 1987.Home of the Boettchers on Garfield in Lake BluffHome of the Bents on Center in Lake BluffHome of the Hardts on Scranton in Lake Bluff