There are two artists using this name: 1) Murder Weapon was a band from Bristol, Virginia. They played catchy punk/rock and were around from 2001 to 2003 or so. The members were William Van Huss (vocals, guitar, theremin), Brad Ward (bass), and Mark Dollar (drums, vocals). William Van Huss went on to record a solo album in 2005 and it's also available on Last FM and for download at http://psychezenobia.blogspot.com along with the complete MW e.p..

Read more about Murder Weapon on Last.fm.