At the height of the Cold War, the CIA recruited a Soviet diplomat with the code name TRIGON to gain valuable intelligence from inside the Soviet Union.
A Defense Intelligence Agency interrogator and U.S Special Forces work together to find missing Iraqi dictator Saddam Hussein.
The Joint Special Operations Command needed to stop violent leader Abu Musab al-Zarqawi and put an end to his reign of terror.
The FBI and Defense Intelligence Agency join forces to catch Ana Montes, a senior DIA analyst who was passing sensitive intelligence to Cuba.
Homeland Security Investigations conducts an elaborate undercover sting operation to stop an illegal arms dealer.
After the Taliban refuses to release aid workers held hostage in Afghanistan, the CIA, Joint Special Operations Command and a double agent work to rescue them.
In 2004, the FBI and Naval Criminal Investigative Service needed to catch an engineer who had been stealing U.S. Navy secrets for the Chinese government.
After classified footage from a secret surveillance satellite is lost in the ocean, the U.S. military tries to find the video before it falls into enemy hands.
Russian agents infiltrate the US and begin living seemingly normal lives. The FBI begins one of the largest counterintelligence investigations in history.
After trying for two decades to take down an infamous arms trafficker, the Drug Enforcement Administration develops a way to infiltrate his inner circle.
After the hijacking of Egypt Air flight 648, FBI agents launch an international manhunt for the terrorist responsible for the horrific attack.
A terrorist organization of White supremacists attacks the Pacific Northwest, and a team of FBI agents must find and neutralize their threat.
Homeland Security special agents work together with the elite Defense Criminal Investigative Service to identify and capture a Chinese software pirate.
After arresting the most notorious Cuban spy of all time, the intelligence community shockingly learns that classified information still reaches Cuba.
Drug Enforcement Administration agents hunt down the world’s biggest heroin trafficker amidst the Taliban insurgency in Afghanistan.
The FBI and CIA embark on a decade-long effort to catch the highest-ranking CIA officer to ever commit espionage and his son, who also joined the spy game.
The NSA and FBI work together to thwart an Al-Qaeda terrorist plot to blow up the New York City subway on the Anniversary of 9/11.
A team of unconventional investigators work together to take down one of the most dangerous Colombian cartels of the 1990s, the Norte del Valle Cartel.
A Hezbollah terrorist cell is discovered in a Charlotte suburb, and investigators work to prosecute the first material support for a terrorism case in the US.
After mass genocide during the Bosnian War, the US and NATO lead an effort to go after one of the world's most notorious war criminals.
The FBI has a national emergency on its hands when it discovers that the Russian government has planted a listening device in the State Department.
The FBI discovers a spy has buried classified secrets across the East Coast, and the only way to recover the stolen documents is to decipher a series of codes.
With help from an undercover source, the Drug Enforcement Administration launches a manhunt to capture one of the most prolific Russian arms dealers.
During the early years of the internet, the Secret Service conducts a groundbreaking mission to take down one of the first criminal hacker groups — Shadowcrew.
With exclusive interviews with the most senior intelligence officials, politicians and cyber experts, CNN's Jim Sciutto and his team tell the story of Russia's hacking of the 2016 presidential election from the very beginning.
CNN's Soledad O'Brien retraces the steps of the Rev. Martin Luther King Jr., James Earl Ray, the FBI and Memphis police, and she explores alternative scenarios of who may have been responsible for King's death.
Retired Lt. General Michael Flynn is decorated military intelligence hero in the War on Terror who now finds himself caught up in the ongoing investigation into Russian interference in the 2016 U.S. election. CNN's Jim Sciutto reports.
A thrilling spy story about a man who claims he was a radical-Islamist-turned-double-agent in a race against time to thwart attacks by al Qaeda. CNN's Nic Robertson reports.
After MH370 vanished without a trace, the world watched as the search turned up nothing, until now. CNN's Martin Savidge provide an updated look at new findings.
