As questions swirl surrounding the timeline of who was notified about the flooding when, and if more could have been done, Department of Homeland Security Secretary Kristi Noem said an alert from the National Weather Service was sent to people in the flood zone -- but she said that doesn’t mean that people heard it.

Search and rescue teams have using horses and cadaver dogs to locate people still missing from the catastrophic flooding in Texas. Local officials are facing questions about whether enough was done to warn residents about rising floodwaters.