There are at least 9 artists who have used the name "Justice".
These are photos from concerts where Justice played, so they may be of other bands that played the concert as well.
Monolith Festival Sep 14, 2008 Morrison, Colorado, United States Uploaded by Ariez462
T In The Park 2008 Jul 11 - 13, 2008 Kinross, Scotland, United Kingdom Uploaded by Neil Lumsden
Gatecrasher Summer Sound Festival 2008 May 24 - 25, 2008 Northampton, England, United Kingdom Uploaded by Yan