U.S. Navy Frigate U.S.S. Rentz is followed as its crew investigates a suspicious fishing boat in the Caribbean.
Tips from undercover agents and informants lead to a high-speed chase and a shootout in Panama City. In Cartagena, Colombia, a tip leads the Armada on a wild goose chase before they track down the real smugglers.
Panamanian police go on a manhunt for a notorious gang leader trying to smuggle drugs; at the same time, the USS Rentz race to get across the Panama Canal in time to make a bust.
The engineers on the USS Rentz must repair their aging ship in time to catch up with suspected traffickers. Meanwhile, Panamanian troops venture in to the remote jungle to confront a violent paramilitary army from Colombia smuggling drugs.
The USS Rentz chase down suspected smugglers before they escape into Colombia's territorial waters. Meanwhile, the Colombian Navy and an American surveillance plane hunt down suspects off the coast of Cartagena.
Panamanian forces spend days searching a suspicious North Korean cargo ship attempting to cross the Panama Canal. The North Korean crew try to sabotage the inspection, but the Panamanians uncover something shocking.
The Colombian Navy receive intel about a secret stash buried on islands near the port of Cartegena. It becomes a race with the traffickers to recover the drugs.
The USS Rentz hunt an elusive smuggler in the Pacific in the dead of night. Meanwhile, the Panamanian Navy go out on a routine patrol, which turns out to be anything but.
The biggest busts of Operation Martillo are recalled, from the military operations on land and sea to the undercover agents and informants.
The US Coast Guard combats drug trafficking out of Colombia and Peru.
Intel is received about a possible smuggler, but as USCG Boutwell approach to investigate, the suspects hit full throttle. In Panama, a police interrogation leads to a major drug stash in the swamplands.
A drug stash is found in a deep cave system in Panama; Puerto Rican drug abuse increases.
U.S. Border Patrol works to protect Puerto Rico from drug smugglers; volunteers attempt to save the lives of drug addicts.
A rollover accident interrupts a police search in Puerto Rico. But a new hunt begins when officers learn of trafficking in the Mona Passage.
Panamanian border agents combat drug cartels seeking new routes. The U.S. Navy and U.S. Coast Guard meet to transfer thousands of kilos of drugs.
The U.S Border Patrol receive intel about smugglers heading from the Dominican Republic to Puerto Rico. Several units deploy to the western side of the island only to find 11 migrants that have been abandoned on a remote island nearby.
Local authorities in the Dominican Republic team up with U.S. law enforcement to investigate a cartel boss operating on the island.
A Venezuelan cartel boss is tracked down in the Dominican Republic, after which law enforcement prepares to intercept one of his shipments. Elsewhere, a group of recovering addicts travel to the slums to help others struggling with dependency.
Dominican authorities gather enough evidence to apprehend a cartel boss, but his possible getaway jeopardizes the arrest. Also: Volunteer work to save patients from drug addiction continues in Santo Domingo.
Panamanian police get intel on a drug exchange. Units head out to surprise the traffickers, but the mission takes an unexpected turn. In Puerto Rico, U.S. Customs and Border Protection oversee the arrival of a ferry from the Dominican Republic.
In Panama, police arrest two smugglers who claim local gangs stole their drugs, leading to a hunt for the thieves responsible. Also: U.S. Customs and Border Protection search for narcotics aboard a ferry in Puerto Rico.
The U.S. Coast Guard receive intel from headquarters about a large shipment of drugs moving from Colombia to Panama in small boats called pangas. Because canvassing such a vast area will prove a major challenge, Panama's Navy joins the search effort.
Forces from the U.S. and Panama collaborate in an effort to locate a vessel with a major shipment of cocaine. Included: When the Coast Guard spot several fishing vessels that meet the criteria, they hope it will lead to the biggest bust of the season.
Border Patrol agents working along one of the most dangerous drug routes in the Southwestern United States are in a race against the clock to find traffickers before they vanish into the desert when Season 3 begins.
A group of cartel traffickers set out to move a drug load through the desert under the cover of darkness, while the elite tactical unit BORTAC rushes to the site of the action to attempt a dangerous nighttime interdiction.
Border Patrol agents along the legendary Rio Grande hunt down Mexican drug smugglers who are moving large stashes across the border. In addition, cartels branch into human trafficking, exploiting a wave of migrants fleeing Central American violence.
Custom and Border Protection in Nogales, Ariz., look to intercept drugs hidden in vehicles. And in Rio Grande City, Texas, the hunt is on when a group of cartel traffickers attempt to smuggle hundreds of pounds of narcotics across the river and into the U.S.
DEA agents in St. Louis tackle a growing heroin epidemic...one dealer at a time. Plus, law enforcement pulls out every stop to reverse the city's culture of drugs and the violent crime it generates.
An expanded investigation into a suspected heroin dealer who has so far dodged the St. Louis DEA at every turn is followed. Also: As a heroin epidemic hits America, young addicts embark on the battle of their lives.
"Five Dollar Insanity" hits South Florida, a new synthetic drug that's wrecking the streets. Also: A St. Louis heroin addict named Cody has second thoughts about boarding a plane to the Sunshine State for rehab.
The Falfurrias checkpoint in South Texas cracks down on traffickers, while Border Patrol's Search and Rescue team BORSTAR races against the clock to save the lives of one group of migrants abandoned in the scorching desert by their cartel smugglers.
Law enforcement and fire rescue in Broward County, Fla., tackle a daily onslaught of flakka cases, each more unusual than the last. Also: A Fort Lauderdale addict named Glenn undertakes what may be his last chance at recovery.
A night of keeping a close watch on drug smugglers in South Texas takes an unexpected turn.
U.S. Border Patrol agents in Nogales, Ariz., chase undocumented aliens who've jumped the fence. Also: An investigation is launched into a suspicious man who might be smuggling money or guns back into Mexico.
A search warrant is executed on a suspected drug dealer by a SWAT team in Miramar, Fla. Meanwhile, U.S. Custom and Border Protection agents seize an alarming amount of drugs in Miami's International Mail Center.
The battle against drug traffic moves belowground to the narco-tunnels of Nogales, Ariz. But then night falls, and Border Patrol races to respond when cartels take the fight aboveground.
Law enforcement in South Florida screen airport travelers, eventually intercepting Latin American drug smugglers; and off the coast of Miami, federal agents pursue traffickers who are moving drugs from the Bahamas.
Mexican cartels exploit an old migrant route that's thick with brush to traffic drugs across the Rio Grande. Elsewhere, in Nogales, Ariz., law enforcement work around the clock to counter the endlessly inventive techniques for smuggling drugs.
A resurgence of cocaine smuggling puts the Port of Miami on high alert; and a SWAT team from Miramar, Fla., execute a search warrant on a local drug dealer who's suspected to be heavily armed.
Guatemalan drug gangs are taking over small local businesses, using local hotels and restaurants as fronts for selling drugs. Hundreds of police officers execute big raids on these small-time dealers in hopes of crippling the larger drug players.
Guatemalan authorities go after the notorious Mara Salvatrucha gang, who are known for being involved in extortion, contract killing, and prostitution.
In the Philippines, President Rodrigo Duterte declares open season on anyone caught dealing or using drugs. In the capital of Manila, the Philippine Drug Enforcement Agency heads out on a massive multi-target drug raid.
The war on drugs heats up in the Philippines: The Quezon City police are on high alert as hundreds of cops carry out a massive anti-narcotics operation in this Manila slum.
The Philippine police are increasingly turning to "Buy Busts", a new tactic where they lure high level dealers and traffickers moving major product. In Manila, informants set the bait and police units move in for the bust.
In the Philippines, President Duterte's all-out drug war rapidly fills local jails, while elsewhere vigilantes try to cleanse their neighborhoods of criminals and addicts. In a city slum, a nighttime operation yields dozens of new arrests.
In the Philippines, an ISIS flag is raised in the city of Marawi as jihadist militants try to take control of this predominantly Muslim region. The crew travels to Marawi to see how illegal drugs are funding the notorious terror group.
The Philippine war on drugs takes a turn as ISIS begins to profit off large scale drug trafficking in the country's Muslim regions. In the south, military units mount a counterattack to prevent the terror group from seizing the city of Marawi.
The law enforcement tries to stop the onslaught of human trafficking and illegal drugs.
The Border Patrol Riverine Unit guard the waters in Texas.
Officers of the United States Border Patrol chase cartel smugglers in Texas.
Cartels are turning to the manufacture of prescription drugs in Mexico.
The Rio Grande City Border Patrol chases suspects escaping persecution.
Border Patrol K9 units are highly trained at detecting illicit drugs and human traffic victims, and are key members of US efforts along the border. Inside a tractor-trailer, one of these dogs finds a huge score: over two million dollars worth of heroin.
The Border Patrol hunts for illegal narcotics which are smuggled over from Mexico.
Border units track down boars which are loaded with illegal aliens and drugs.
Arrests spike along the border wall as residents of India and Pakistan leap over, right into the hands of the border patrol. Other teams investigate new smuggling tunnels, a cartel tactic that could undermine the new border wall prototypes being tested.
The Missing Migrant program is a Border Patrol-led effort to reunite families with their deceased loved ones.
For the first time, camera crews are allowed inside the Foreign Operations Branch Mission, a joint partnership between US authorities and Mexican Federales. Their goal: to take down the biggest threats posed by Mexican cartels along the US/Mexico border.
The Foreign Operations Branch and other units partner together to apprehend convicted felons and smugglers before they can rejoin other cartel operatives.