Residents say Kerr County's use of CodeRED alerts was sporadic and inconsistent. Local officials have not answered questions about when and how they utilized the system, which has been in place since 2009.

It has been four days since catastrophic floodwaters swept through the Texas Hill Country, leaving more than 100 people dead and destroying homes and businesses across multiple counties.

During a press conference with officials of Kerr County, Texas, reporters asked tough questions about the handling of the flood emergency system.

Local officials have faced angry questions about whether they could have warned people of dangerous flash floods in Texas Hill Country sooner. Rescue teams from neighboring states and Mexico have joined local efforts to search for survivors,

Heavy rain poured over the Texas Hill Country on Independence Day, with the flooding causing more than 100 deaths.Here's a timeline of the disaster:Tuesday, July 2On July 2, the Texas Division of Emergency Management said it activated "state emergency response resources in anticipation of increased threats of flooding in parts of West and Central Texas heading into the holiday weekend.