CNN Wolf September 4, 2015 17:41:00
Industrial section. >> reporter: have you gotten tips from businesses about employees who have not been to work since this incident? schools or anything else that gives you some indication of who you might be looking for? >> we've gotten -- some of the things that we do is when we canvass we do pull records specifically the high school, we've gone there. we've asked for absentee records. if we go to a business and we're canvassing we're asking if employees haven't shown up. that's part of the canvassing process. >> reporter: can you tell us the caliber of the weapon? >> the caliber of the weap...