Copy 3 News Today

>> copy. 3 32. >> security wants the know if you know what room. >> its at the end of the hallway. i can tell you what room. looked like he fired down the hallway when i approached. >> down 100 hallway, correct? >> security is up here. 100 hallway. dont go -- >> reporter: chilling. we have video of a news conference shot a little while ago. the first lawsuit following the tragedy was filed monday. names mgm, live nation entertainment and fly fire solutions a bump stock maker. filed on behalf of ...