Louis Theroux joins the Philadelphia Police Department patrolling the most dangerous part of one of the most violent cities in America.

Narrated by David Morrissey, this programme shows all sides of the real experiences of migrants in 21st century Britain and the challenges they face in arriving and surviving here. Meet the Immigrants also reflects the ongoing national debate on Immigration and explores the common themes - industrious newcomers performing unskilled jobs that Britons won’t do or opportunists in search of an easy life, attracted by the UK’s flexible laws and systems

One of the very few universal laws of history is this: whenever and wherever people of different races have been brought together they have always mixed.

It is the defining cultural tale of modern America - a saga of race, celebrity, media, violence, and the criminal justice system. And two decades after its unforgettable climax, it continues to fascinate, polarize, and develop new chapters.

Three part feature length documentary series chronicling the rise and fall of OJ Simpson.

In January 1995, the shocking crime gave way to the trial of the century. It would be like nothing before it, nor anything that's come since, and reshape the landscape of the media, and, American culture along the way.

The Verdict.

Nick Griffin's British National Party, already under investigation for breaches of electoral law, is facing fresh allegations of corruption. Panorama uncovers new evidence of financial documents being falsified and fabricated in order to deceive the Elect

Ten years on from the Good Friday Agreement, Declan Lawn returns to Northern Ireland to see how far lives have changed.

A Panorama investigation reveals how police, politicians, lawyers and judges all played a part in burying the truth about Britain's worst football disaster.

Margo MacDonald, the firebrand, independent politician, is one of Scotland's most popular public figures. But she also has Parkinson's Disease and, earlier this year, she spoke openly of her desire to choose the moment of her death. Now, in this deeply personal film, she uncovers the truth about assisted dying, meeting those with illnesses like hers who are desperate to die, and exploring how British law could be changed to allow them to choose when they can.

Panorama's John Sweeney investigates the row behind Shaken Baby Syndrome following the conviction of childminder Keran Henderson.

On verdict day of one of the most eagerly awaited trials in recent history, this Panorama Special on the Stephen Lawrence case reveals the untold story of the murder that changed Britain. For more than a year, reporter Mark Daly and the Panorama team have exclusively followed Stephen's mother Doreen Lawrence as her 18-year fight for justice for her murdered son neared its conclusion.

Celebrities and public figures alike are turning to privacy laws to suppress stories and photographs that show them in a bad light.

As part of BBC 4's Justice season, this documentary which chronicles the brilliant life and tragic fate of Sergio Vieira de Mello, the former head of the UN mission to Baghdad.

Storyville: Documentary which tells the story of the most ambitious project ever conceived on the internet and the people who tried to stop it. In 1937 HG Wells predicted the creation of the 'world brain', a giant global library that contained all human knowledge which would lead to a new form of higher intelligence.

Nominated for a 2011 Academy Award, this documentary tells the remarkable story of a young American environmentalist involved with the Earth Liberation Front - a group the FBI came to describe as America's 'number one domestic terrorism threat'.

Jacksonville, Florida, May 2000. Mary Ann Stephens is shot in the head at point blank range in front of her husband. Two hours later, a 15-year-old black American, Brenton Butler, is arrested walking down a nearby street. Jean-Xavier De Lestrade's Academy

Documentary about Luis Moreno-Ocampo, the International Criminal Court's chief prosecutor.

Sundance award-winning documentary which tells the compelling story of how a group of young, feminist punk rockers known as Pussy Riot captured the world's attention by protesting against Putin's Russia. Through first-hand interviews with band members, their families and the defence team, and exclusive footage of the trial, it highlights the forces that transformed these women from playful political activists to modern-day icons.

Thrilling heist documentary about the world's most notorious gang of diamond thieves, featuring exclusive and unprecedented interviews with the Pink Panther members for the first time on television.

Filmed in more than twenty states, this film captures a definitive and heart-wrenching portrait of individuals at all levels of America's War on Drugs. From the dealer to the grieving mother, the narcotics officer to the senator, the inmate to the federal judge, the film offers a penetrating look inside America's longest war, revealing its profound human rights implications.

Documentary looking at justice in the land inhabited by Palestinians and captured by Israel in the 1967 war. The occupation began with the idea that Israel's presence would be temporary. Israelis dispensed justice through military courts, but these still exist.

Errol Morris broke cinematic ground with The Thin Blue Line, establishing a new genre in the non-fiction feature by creating a fascinating reconstruction and investigation of a brutal and senseless murder.

This week’s Storyville chronicles an extraordinary story of murder, love and political conspiracy triggered when a video of a murdered Guatemalan lawyer surfaced on Youtube in which he foretold his own death and named the culprits.

Storyville: Documentary telling the story of The Pirate Bay, the world's largest file sharing site which facilitates downloading of copyrighted material. The film follows the three Swedish founders of The Pirate Bay through their trial after they are taken to court by Hollywood and the entertainment industry, accused of breaking copyright law.

Three-part series documenting the work of the Crown Prosecution Service, following a number of cases over an 18-month period and focusing on three different parts of the process.

Series documenting the work of the Crown Prosecution Service. They deal with two violent domestic murders and an assault victim whose attacker has not been prosecuted.

In the final episode, prosecutors in the Complex Casework units of CPS Mersey-Cheshire and CPS South-East are preparing for trials in separate historic cases.

Three-part series documenting the work of the Crown Prosecution Service, following a number of cases over an 18-month period and focusing on three different parts of the process.