Questione giuridica chiave
Whether the appeal against the 3 December 2010 detention decision had become moot after the 15 December 2010 security-detention order
Decisione estratta
The earlier proceeding became moot because the detention basis was replaced by the later order.
Motivazione estratta
The current detention rested on the 15 December 2010 order, so the challenge to the earlier order no longer had practical effect.