28 bridges cross the notorious Rio Grande between Texas and Mexico, providing a gateway for legitimate goods and a lucrative pipeline for illegal contraband, weapons and drugs.
Millions of dollars' worth of marijuana is found hidden in a shipment of mattresses.
A man wanted for murder is apprehended, and officers discover over 80 kilos of cocaine in a tractor-trailer.
Officers investigate a collector travelling with parts of a space rocket and 380 kilograms of crystal meth.
Officers intercept a shipment of hundreds of gun parts going to Mexico, and a nurse is caught smuggling pills.
A tip-off unearths a vast shipment of heroin and cocaine, and officers deal with a drunken US Marshal.
More than 130 packets of cocaine are found hidden in the seats of a bus, and a car explodes on the bridge.
Officers discover fentanyl hidden in a car, and two elderly sisters are caught trying to smuggle tramadol.
Officers make a massive seizure of meth hidden inside fruit crates, and a Syrian man begs for help.
120 kilograms of cocaine are discovered in the axles of a lowboy trailer.
Packages of cocaine are found concealed in the chassis of a bus, and a magician comes under scrutiny.
