Cameras follow all the twists and turns of the major investigation into an allegation of police corruption, as detectives track down, arrest and then charge a fellow officer.

The cameras follow an engrossing and surprising real-life investigation into a reported burglary of antiques worth a quarter of a million pounds from a country estate.

Bedfordshire Police investigate a possible break-in and a devastating high-speed car chase, navigating the rights and wrongs of people taking the law into their own hands.

A lone detective is on the trail of a Luton man who sexually abused scores of young people, in what becomes a very complex and disturbing pursuit.

In the gripping conclusion to this two-part special, the victims of historic child sex abuse come forward to try and finally get justice, and prevent the suspect from walking free for the ninth time.

Hardened detectives DS Hutton and DC Brecknock are shocked by an extraordinarily disturbing case of attempted murder in an ordinary terraced home

Bedfordshire Police are called to Dunstable Town Centre, where a man has driven a car into a group of revellers outside a kebab shop before fleeing on foot. With a suspect on the loose, cameras follow every twist and turn of the investigation.

Detectives race to the scene of a stabbing in broad daylight. Cameras follow every twist and turn of the investigation, revealing the real-life stories behind the familiar headlines about knife crime.

Police officers search for a man in Luton who disguises himself as a delivery driver to force his way into people's homes and commit brutal assaults. However, when the police investigation fails to make headway, the family of one of the victims launch a campaign for information on social media - which increases the likelihood of the criminal seeing he is at risk of discovery and going to ground.

A violent daytime brawl with knives erupts on the streets of Luton as chicken hop war heats up. The case then takes a disturbing twist when a police raid lands a huge cache of drugs.

Bedfordshire Police race to rescue a missing 15-year-old girl after receiving intelligence that a 20-year old man is holding her captive at his flat in Luton. She isn't his only victim, the suspect has targeted a large number of other underage girls.

The real-life crime series has unprecedented access to a covert surveillance operation, which culminates in 10 simultaneous armed dawn raids against organised crime gangs.

Bedfordshire Police must decide whether to charge two men arrested as part of a nationwide operation against people possessing and, in some cases, distributing indecent images of children online.

During Luton's annual carnival a man seizes the opportunity to enter a house and sexually assault two young children. Bedfordshire Police scan thousands of hours of CCTV footage in the hunt for him.

Police search in a Luton garden for the body of a woman who disappeared in 2003, as they turn up the heat on suspects in a case that's puzzled them for years.

A woman's body is found in overgrown grassland. When detectives inform her partner of her death, his behaviour marks him out as a chief suspect.

An experienced officer from the Bedfordshire Police Internet Child Abuse Investigation Team investigates an area of criminal behaviour beyond anything she has tackled before

This extraordinary episode opens with the dawn arrest of a man on suspicion of conspiracy to murder. The film documents the work of the lead detectives as they investigate and interview the suspect about his involvement in a plot to shoot a man. While driving to work, the victim was hit from behind by another vehicle. When he stepped out to inspect the damage he was shot in his leg by a close range sawn-off shotgun, sustaining life-threatening injuries. The police believe the case arises from a potential love triangle that has spiralled out of control. Detectives have 24 hours to gather enough evidence to charge or release him.

Two lives change in a heartbeat after a single punch fells a man outside a nightclub. The blow kills the victim and the police arrest the attacker. Cameras follow every twist and turn as the police try to disentangle what really happened.

Bedfordshire Police have to confront the issues thrown up by a surge in the number of crimes related to the sexual exploitation and grooming of children by paedophiles. A man is lured to what he believes is a meeting with a 13-year-old girl, but is caught in a sting operation by so-called 'paedophile hunters'. A few days later, the case takes a surprising twist when police are called to a roadside where a pensioner is found badly beaten and suffering a bleed on the brain.

News spreads across the county about a suspected paedophile trying to abduct young children on their way home from school. Local press coverage has led to hundreds of calls from panicked parents to the police. With the culprit at large, cameras follow the Major Crime Unit as they lead the operation to arrest a third suspect following a nine-year-old girl's statement and an e-fit description. After two previous suspects have been released without charge, have they now got the right man? In the public protection unit, DC Annie Fowler and DC Selena Humphreys believe they have finally gathered enough evidence, including thousands of images and hundreds of videos of extreme child abuse, to ensure the suspect is remanded in prison pending a trial. Following his second arrest, he makes a frank and shocking confession. The detectives take this new information to the Crown Prosecution Service in the hope of preventing him from committing any more offences.

A man walks out of a hotel lift covered in blood. He approaches the reception desk shouting that he has killed someone. As the terrified receptionist tries to rid get 999, the man grabs the phone, but the police have been reported.

A man lies dead in a Peterborough park. The position of his body raises intense suspicions but rigor mortis has set in and the trail of evidence is going cold. Detectives are called in to investigate.

The police search for a couple who they believe have exploited a young, vulnerable woman by taking over her flat to use it as a drugs base.

A man lies dying in the street from a stab wound to his heart. A friend at the scene is desperate to find out if he will survive but it is now a crime scene and he is not allowed to see the victim.