EDINBURG – Rio Grande City agents seized more than 950 pounds of marijuana in two separate incidents. Sunday evening, Rio Grande City agents working near La Rosita, Texas, responded to a report of a vehicle involved in narcotics smuggling traveling north from the Rio Grande. Agents in the area located the vehicle and, shortly thereafter, the driver of the vehicle abruptly turned south and traveled towards the river. As agents approached the river, they observed the driver abandon the vehicle and swim to Mexico. Agents searched the vehicle and discovered 571 pounds of marijuana worth an estimated $457K. A short while later,