Jose Luis Zavala is accused of aiding drug smugglers . He was arrested in Mexico and extradited to the U.S. where he faces charges including conspiracy to distribute cocaine, money laundering and firearms violations. His apparent failure to spot 3,000 pounds of pot in a van raised questions .
Jose Luis Zavala is accused of aiding drug smugglers . Investigators say he helped steer smugglers into his lane at international crossings . His apparent failure to spot 3,000 pounds of pot in a van raised questions .