enforcements coming to the trailer and other locations. they're racing daylight. in a situation where there's a possibility of explosive devices, a crude incendiary device, that's something they're not going to want to do once darkness hits. a lot of this investigation is going to continue and be multifaceted and may last more than just today. obviously with respect to the searches, but that information will start coming out in short order as far as what they're dealing with and how big a picture this is. >> jim acosta is getting more information at the white house. what are you learning? >> reporter: i can tell you we just talked to sarah sanders about what happened in texas. i pressed her on what the administration is doing to prevent these kinds of school shootings to try to tamp down on this problem of gun violence in this country. she said to us just a few moments ago the conversations about school safety are ongoing. and she said that the administration's school safety