"This programme contains scenes which some viewers may find upsetting" "TRANSLATED FROM FRENCH:" "In November 2015, Islamic State gunmen killed 130 civilians in Paris." "90 died at the Bataclan theatre alone." "GUNFIRE" "The war had begun ten months earlier..." "..a stone's throw from the Bataclan, at the offices of satirical magazine Charlie Hebdo." "Now, one year on, this is the story of the three-day manhunt for the killers of Charlie Hebdo and of the first Islamic State attack on Paris." "EXPLOSION" "EXPLOSION" "Charlie Hebdo had kept a low profile since publishing cartoons of the Prophet Muhammad nine years earlier." "There were no signs or nameplates to guide visitors to their office, now sealed up." "Across the hallway was TV production house Premieres Lignes." "That morning, the journalists of Charlie Hebdo were in their meeting room planning the next issue." "Just after 11:20, two gunmen pulled up outside the building in a small black car." "At the front entrance the gunmen had murdered Frederic Boisseau, a maintenance man." "They didn't know the layout of the building and went to the third floor - the floor above Charlie Hebdo - where a postwoman was delivering a parcel to a film company." "While the gunmen blundered through the building looking for Charlie Hebdo, the staff at Premieres Lignes barricaded their door." "In Charlie Hebdo's meeting room, no-one had heard a thing." "Cartoonist Corinne Rey, known as Coco, was heading out to collect her daughter from nursery." "The gunmen forced Corinne to take them to Charlie Hebdo and punch in the door code." "A security camera recorded the moment the gunmen marched" "Corinne into the reception area." "One of them shot the web designer then went to find the writers and cartoonists of Charlie Hebdo." "As the gunman opened fire, the staff of Premieres Lignes escaped onto the roof, directly above the Charlie Hebdo meeting room." "HE BANGS RHYTHMICALLY" "The gunmen had spent less than two minutes at Charlie Hebdo." "They had fired 36 shots." "Now they headed back down to the street." "As the Premieres Lignes staff escaped across the rooftops, three policemen on bicycles arrived, unaware that a terrorist attack was under way." "GUNFIRE" "GUNFIRE" "GUNFIRE" "Police officer Ahmed Merabet had fired at the gunmen's car as they tried to escape." "GUNSHOT" "The attack had lasted 15 minutes." "The gunmen had murdered 12 people, 10 of them at Charlie Hebdo." "Amongst the first on the scene was an emergency doctor who happened to be close by." "DISCONNECTION BEEP" "The police were stunned by the murder of their comrade and they still had no idea about the massacre at Charlie Hebdo just one street away." "THEY SPEAK IN FRENCH" "DISTANT SIRENS" "SIRENS WAIL" "Three kilometres from Charlie Hebdo, the gunmen had decided to switch cars." "Forensic teams examined the abandoned car... and found the ID of a young Frenchman, Said Kouachi." "Cherif and Said were French citizens, born in Paris." "Cherif was 32, Said, 34." "As the bodies of Charlie Hebdo's writers and cartoonists were taken away, the people of Paris came out into the streets." "While the crowd stood vigil... another young Frenchman was preparing to attack Paris... this time in the name of a different terror group." "Just after 8 o'clock, the Islamic State gunman struck in Montrouge, a suburb of Paris." "The bullet hit Clarissa Jean-Philippe, an unarmed community police officer who was standing next to Laurent." "Clarissa Jean-Philippe never regained consciousness." "Her murderer disappeared into the streets of Paris." "Then, as detectives began the hunt for Clarissa's killer, the Kouachis resurfaced, 85km from Paris." "TRANSLATED FROM GERMAN:" "Said carried a bazooka, but they had only come to get snacks." "TRANSLATED FROM FRENCH:" "The brothers had vanished as suddenly as they'd appeared." "It was 22 hours since the massacre at Charlie Hebdo." "As hundreds of gendarmes locked down the roads north of Paris, detectives in the capital made a breakthrough in their hunt for Clarissa's killer." "The Charlie Hebdo killers had spent the night in a wood, 35km from where they were last seen." "Just before dawn, they hijacked a car." "The driver was unharmed and called the police." "The Kouachis stopped at a printworks in the small town of Dammartin." "The owner was having coffee with his employee, Lilian." "Half an hour passed while the bandage was adjusted." "Police negotiators had been trying to contact the Kouachi brothers, but the press had got there first." "As the Kouachi brothers dominated the headlines," "Coulibaly, in his martyrdom video, tried to grab some of the credit for himself." "That lunchtime, Coulibaly drove to a kosher grocery shortly before it was due to close for the Jewish Sabbath." "The shop's security cameras recorded him outside the front entrance with a heavy sports bag." "As Coulibaly entered the grocery, a group of customers fled down a stairway to the basement." "Coulibaly found a customer hiding at the back of the grocery." "He dragged him to the cash registers and shot him dead." "On the corner by the grocery, a bystander recorded the arrival of the police." "GUNSHOT" "Once the steel shutter was closed, Coulibaly rounded up the hostages." "EMERGENCY SIRENS WAIL" "Yoav Hattab was in the group that came up from the basement." "When he looked round and saw the bodies of Coulibaly's first three victims, he decided to act." "Yoav pulled the trigger but the weapon jammed." "Coulibaly fired twice." "EMERGENCY SIRENS WAIL" "Elite police units cleared the area and started to plan their attack." "Inside the grocery, Coulibaly had discovered Lassana's escape route - the fire door at the side of the building." "Once Coulibaly had finished talking to the press, he settled in for a long siege." "As the siege wore on, a few hostages were able to call relatives and friends." "Two and a half hours into the siege," "Coulibaly finally spoke to the police negotiator." "At the print shop 40km away, the gendarmes special forces waited." "Seven hours into the siege, snipers spotted movement inside the printworks." "As daylight faded, the Kouachi brothers decided it was time to die." "GUNFIRE" "EXPLOSION" "90 seconds after they'd come out of the printworks, the killers of Charlie Hebdo lay dead." "Lilian was unhurt." "He had hidden under a washbasin for eight hours." "The plan was for a first assault team to blast their way in through the fire door." "A second team would take the front entrance, unlocking the metal shutter with a key." "EXPLOSION" "Go, go, go, go!" "Allez, allez!" "EXPLOSION" "EXPLOSION" "EXPLOSION" "SHOUTING" "GUNFIRE" "GUNFIRE" "SCREAMING" "Two hours before he died," "Coulibaly was recorded speaking to a hostage."