In a small bowl, mix together oreo crumbs and melted butter. Press into the bottom of a 9-inch springform pan.
In a large mixing bowl, beat together cream cheese and powdered sugar until smooth. Fold in raspberries, juice, lemon juice, and cool whip until completely combined. Pour mixture over top of oreo crust and freeze 8 hours (or overnight).
Remove from freezer, top with fresh raspberries, and let thaw for 15 minutes before serving.
Notes
You could use a pre-made pie crust at the store to save you some time.