13/13. When the search for a missing woman becomes a murder investigation, a baseball cap and DNA on a discarded beer can help detectives find her killer. Also in HD. [S,AD]
2/15. A discarded cigarette butt helps catch the murderers of a young father, and a struck matchstick puts the arsonist of a Tudor building behind bars. Also in HD. [S,AD]
11/13. Police are left confounded by a serial burglar's Houdini-style disappearing act. But a single piece of information brings the game of hide-and-seek to a sudden end. Also in HD. [S,AD]
12/13. Two young women are shot dead in Birmingham on New Year's Eve. But it takes an audacious undercover mission for police to infiltrate rival gangs and find the moment of proof. Also in HD. [S,AD]
13/13. When the search for a missing woman becomes a murder investigation, a baseball cap and DNA on a discarded beer can help detectives find her killer. Also in HD. [S,AD]
8/13. When a missing woman is found dead, family and friends raise suspicions about her boyfriend. But police need hard evidence that he was involved. And they eventually get it. Also in HD. [S,AD]
2/13. A reclusive millionaire is found murdered in his home in west London, and police find hundreds of thousands of pounds in cash still there. Also in HD. [S,AD,SL]
14/15. An elderly murderer is convicted after a cat-and-mouse chase with armed police, and a fraudster is locked up after using dummy phone handsets to con high-street shops. Also in HD. [S,AD,SL]
13/15. A plot to extort thousands of pounds from a casino is foiled by a high-stakes sting operation, and a discarded cigarette butt helps convict a man of indecent assault. Also in HD. [S,AD,SL]
11/15. A spent bullet casing holds the key to bringing two murderers to justice, and a hire car helps track down a thief who has stolen thousands from supermarket tills. Also in HD. [S,SL]
10/15. A travel card holds the key to convicting a violent offender after a spate of random stabbings, and a bureau de change receipt helps put a pair of thieves behind bars. Also in HD. [S,AD,SL]
9/15. A packet of wet wipes helps convict a driver responsible for a deadly hit and run, and a distinctive tracksuit puts a gang of ruthless thieves behind bars. Also in HD. [S,AD,SL]
9/15. A packet of wet wipes helps convict a driver responsible for a deadly hit and run, and a distinctive tracksuit puts a gang of ruthless thieves behind bars. Also in HD. [S,AD,SL]
8/15. Stained bank notes hold the key to tracking down a brazen bank robber, and hidden-camera footage from a hi-tech sting operation helps snare a prolific gang of thieves. Also in HD. [S,AD,SL]
7/15. A mobile phone hidden in a bundle of clothes helps save a young woman from a forced marriage, and a burnt tea towel helps convict a gang of a callous shooting. Also in HD. [S,AD,SL]
6/15. A drug boss is put behind bars thanks to a paper trail from his dodgy property empire, and an observant cashier helps convict a fraudster who is posing as a police officer. Also in HD. [S,AD,SL]
5/15. A bloodstained shopping trolley holds the key to solving a vicious assault, and a distinctive pair of curtains puts a phone thief behind bars. Also in HD. [S,AD,SL]
4/15. A train ticket and a chance encounter help hunt down a pair of hi-tech international fraudsters, and a bottle of milk seals a case against a violent offender. Also in HD. [S,AD,SL]
2/15. A discarded cigarette butt helps catch the murderers of a young father, and a struck matchstick puts the arsonist of a Tudor building behind bars. Also in HD. [S,AD,SL]
1/15. A yacht is tracked by police as a gang uses it to smuggle deadly weapons into Britain, and a prison phone call helps jail a bank cashier for arranging to steal thousands. Also in HD. [S,AD,SL]
15/15. A discarded gun cartridge helps the police to convict a man who gunned down a fellow officer, and a packet of medication helps to lock up a gang of violent jewellery thieves. Also in HD. [S,SL]
13/15. A grainy image from a petrol station helps convict a gang of cold-blooded killers, and a mobile phone list finally connects an unscrupulous gang targeting the vulnerable. Also in HD. [S,SL]
11/15. A distinctive sticker on a laptop finally links a man to a string of burglaries, and a shiny copper hair dye puts a dangerous armed robber behind bars. Also in HD. [S,SL]
9/15. A hoodie helps police take a dangerous attacker off our streets, and a car's satnav reveals the mastermind behind the biggest armed robbery ever to hit Devon and Cornwall. Also in HD. [S,SL]
8/15. A vehicle's satnav puts a pair of prolific animal thieves behind bars, and an anonymous letter holds the key to the identity of a blackmailer on a mission to poison babies. Also in HD. [S,SL]
7/15. A wedding video helps crack the case of a teenage abduction, and an expired pilot's licence exposes a fraudster flying under the radar. Also in HD. [S,SL]
5/15. A plastic bag heat sealer convicts an online drug trafficker, and a casual chat with a criminal, plus a map, join the dots to catch three burglars terrorising a neighbourhood. Also in HD. [S,SL]
4/15. How a single glove reveals the identities of a prolific and violent gang, and an image of a distinctive ponytail solves a hi-tech bank heist. Also in HD. [S,SL]
1/15. A single text message, hidden amongst thousands, nails a serial fraudster; and an extraordinary surveillance operation leads straight to some kidnappers - and their hostage. Also in HD. [S,SL]