Line an 8 X 4 inch loaf pan with foil. Mash 2 cups berries in a large bowl. Stir in condensed milk, juic and 1/2 whipped topping. Pour into loaf pan. Top with chopped cookies and butter. Press into mixture and cover. Freeze 6 hours. To serve, invert onto a plate. Remove the foil. Top with 1/2 whipped topping and 2 cups sliced berries.