FBI joins investigation on attack on Border Patrol agent.
The FBI has joined in the investigation on an attack of a Border Patrol agent after drug smugglers attempting to escape capture threw rocks at the agent and injuring him.
It happened on Tuesday evening when the agent was patrolling in the Hidalgo area and spotted a vehicle near the Rio Grande river. The smugglers did throw rocks at the agent as he tried exiting his patrol unit and was struck in the face. The smugglers were able to get away, but they did leave behind the bundles of marijuana.