In Maryland v. King the crucial difference is that according to the Maryland law in question the DNA sample has to be destroyed if there is no conviction and it can&#x27;t be processed before the arrestee has been charged. (according to wikipedia: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Maryland_v._King" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Maryland_v._King</a>)