Deep cover Russian sleeper agents have infiltrated the US and are living seemingly normal "American" lives. To neutralize this threat, the FBI begins one of the largest counter intelligence investigations in its history.

After trying for more than two decades to take down infamous arms trafficker Monzer Al-Kassar, the DEA's elite Special Operations Division devises a way to infiltrate his inner circle with an unprecedented and risky sting operation.

On November 23, 1985, Egypt Air Flight 648 left Athens, Greece bound for Cairo, Egypt. It would never reach its final destination. This is the story of that ill-fated flight, told firsthand by a passenger lucky enough to survive, a CIA officer who witnessed the event, and the FBI agents tasked with bringing the perpetrator to justice.

Elite DEA agents hunt down the world's biggest heroin trafficker amidst the Taliban insurgency in Afghanistan.

After arresting the most notorious Cuban spy of all time, the intelligence community is shocked to learn that classified information is still being transmitted to Cuba. A new investigation focused on The State Department uncovers a husband and wife team engaged in a sophisticated web of espionage.

A group of Homeland Security Investigations special agents work together with the elite Defense Criminal Investigative Service to identify and capture a Chinese software pirate who threatens US national security.

In 1984, a young charismatic leader, Bob Mathews, built an army of white supremacists with the goal of eliminating Jewish people from the face of the earth and overthrowing the U.S. government. The group, known as The Order, went on a crime spree- stealing millions and murdering an outspoken Jewish radio host. A group of FBI agents in the pacific northwest works to find and capture one of the largest domestic terrorist syndicates the US has ever seen.

In a story of betrayal against family and country - 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.

A team of unconventional investigators works together to take down one of the most dangerous Colombian cartels of the 1990s.

The FBI discovers a terrorist cell in the suburbs of Charlotte, NC, leading to the first material support for terrorism prosecution 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 works alongside the National Reconnaissance Office to stop a potential spy from selling classified secrets to an enemy nation.

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.