Is it possible you're thinking of Adrian Chase in "Kapiushon", episode 17 of season 5?
Adrian Chase : Cecil Adams. You know him by his street name, The Count.You put arrows in him.
Oliver Queen : He was gonna kill a friend of mine.
Adrian Chase : Felicity Smoak. Yeah.
[puts on Oliver's quiver]
Adrian Chase : Confess or you get the same 3 arrows.