The Attack - The Copenhagen Shootings

In this sequel to "My brother the Islamist," we continue to follow Robb Leech as the tries to understand his stepbrother's journey and transformation from middle-class boy to convicted terrorist.

Immediately after the Boston Marathon bombing in April 2013, amateur detectives took the Internet chat rooms to try to find the culprits, looking for details in photographs uploaded to the sites that could point to the guilt of potential suspects.

In honour of the 15th Anniversary of 9/11, National Geographic Channel is looking back at the very best reporting we have done since this world-changing tragedy first happened using extended excerpts from past specials that relate directly to events leading up to and following the attacks on New York City and Washington DC.

A look back at the years leading up to the fall of Kabul and the perilous evacuation of civilians trapped inside the embassy in the hours following the Taliban's takeover of the country.

In 1970, the barely twenty-year-old high school student Bruno Breguet was arrested in Israel while trying to smuggle explosives into the country for the Palestinian resistance. He became radicalized during his imprisonment and joined the group around the terrorist Carlos after his release. In 1995, he mysteriously disappears.

On September 6, 1970, militant Palestinians hijack a fully occupied Swissair plane. After weeks of negotiations, the Federal Council capitulates, gives in to the terrorists' demands and releases three Palestinians imprisoned in Switzerland.

If God came down to earth and try to earn a living in Bombay, most probably he would become successful as a voice over artiste, lending his voice to thousands of Hindi movies and even more documentaries and public service films in India.

Suzy vs Gros Loup - Menace sur les rails

Immigrant workers build a shopping mall for the upcoming 1972 Olympic Games in Munich. In 2016, nine people with migrant backgrounds are killed in a racist attack at the same mall.

A Hezbollah suicide bomber breaks silence to reveal the inner workings of the organization and his involvement in a narcotrafficking alliance with the FARC. Discover the hidden agendas between Iran, Latin American governments and organized crime.

Mossad L'Histoire Secrète d'Israël

The murder of Dutch filmmaker Theo van Gogh by an Islamic extremist in 2004, followed by the publishing of twelve satirical cartoons depicting the prophet Mohammed that was commissioned for the Danish newspaper Jyllands-Posten, provides the incendiary framework for Daniel Leconte's provocative documentary, It's Hard Being Loved by Jerks.

Over the course of two years, filmmaker Jamie Roberts meets those spreading extremist Islamic fundamentalism in Britain, including a bouncy castle salesman who is now one of the world's most wanted men.

THE MAZE dissects the terror-attacks since Paris Bataclan in November 2015 and looks for common patterns. Why was intelligence failing? And why keep our governments pushing for more of the same? A road movie into surveillance reforms, power, money and cover-ups. A search for a way out of this maze - with a glimpse of hope on the horizon.

Algérie 1988-2000 : Autopsie d'une tragédie

The film examines the death of the anarchist Giuseppe Pinelli, who fell from the fourth floor of the police headquarters in Milan December 15, 1969, after being stopped following the Piazza Fontana bombing.

Documentary about the 1983 terrorist attack in West Berlin’s Maison de France.

Documentary about Ilyich Ramírez Sánchez, aka "Carlos the Jackal", international terrorist.

Documentary describing events leading up to the February 1996 shoot down by Cuban Air Force Migs of 2 U.S. registered Cessna 337 aircraft operated by the Cuban exile organization Brothers To The Rescue based in Miami, USA.

Documentary about the bombing of the Plaza de Mayo in June 16 1955 perpetrated by the Argentine navy with the intention of overthrowing Juan Domingo Perón's government and resulting in many civilian casualties.