There are forensic companies that specialize in this stuff. These are the only one I can think of off the top of my head. http://www.fti-ibis.com/en/training/bullet.asp http://myweb.absa.co.za/elsdeng/html/body_forensic_bullet_comparison.html Smoke. Smoke (Michael A.) Pfeiffer, RPA Ozark-St. Francis National Forests 605 West Main Street Russellville, Arkansas 72801 (479) 968-2354 Ext. 233 e-mail: [log in to unmask] It is easier to get forgiveness than permission.