There are multiple artists with this name: 1) Thieves are an upcoming seven piece folk band from Tasmania, Australia.
https://www.facebook.com/pages/Thieves/167472709946941 2) Thieves is a recent, but promising hardcore band out of Raleigh, NC that mixes the rapid-speed of D.R.I. and ball-busting breakdowns in vein of early straight edge New York style hardcore. They released a demo in 2009 and are currently about to release their debut 7" entitled "Positive Vibrations" on drummer Ira's own Suburbanite Records as well as on local label To Live A Lie Records.

Read more about Thieves on Last.fm.