Rio Grandy News Today

Situation right here in texas. >> rats in the water, rats in the water. >> reporter: border agents have less than a one minute window to capture drug smugglers before they reach trash houses or scuttle shipments into the rio grandy. this is a different fight than in arizona where smugglers have to cross 60 miles of open desert. >> weve had shoots incident here in the past. >> reporter: homeland secretary janet napolitano says she wants to prevent a spike in cartel activity along the texas border...