Plant id please - Korean barberry

Very thorny shrub, berries were green and just starting to turn red in mid October. Located in northern Kentucky zone 6.

Korean boxwood,  I think, I find it occasionally here in 5b, too, edible or medicinal, if I remember.

Dan Allen wrote:Korean boxwood,  I think, I find it occasionally here in 5b, too, edible or medicinal, if I remember.

Sorry, Korean barberry, not boxwood