>> tucker: our own trace gallagher is a las vegas semite on top of the developments as they come in. trace. >> we now know there are four crime scenes, the mandalay bay directly behind me, the concert venue as well as the home of the suspect, stephen paddock in mesquite nevada with to mike about 75 miles north of here. reno, nevada, in the process of being rated. the sheriff's department also told us they found 18 guns inside at home in mesquite along with numerous explosives and thousands of rounds of ammunition. inside the mandalay bay we now know that they found 17 guns, 16 rifles and a handgun and we should note it is still very unclear how many of those guns were converted to automatic weapons, the sheriff would not say. we should note the sheriff did say that over the course of several days this man was actually bringing suitcases in