; or (bb) has been adjudicated delinquent in a State or local juvenile court proceeding that resulted in a disposition ordering placement in a secure facility; and (II) the alien poses a significant and continuing threat to public safety related to such conviction or adjudication. (iii) Public safety determination For purposes of clause (ii)(II), the Secretary shall consider the recency of the conviction or adjudication; the length of any imposed sentence or placement; the nature and seriousness of the conviction or adjudication, including whether the elements of the offense include the unlawful possession or use of a deadly weapon to commit an offense or other conduct intended to cause serious bodily injury