10/15. Pollen and bone experts help identify the remains of a murder victim found in a sports bag. And advances in DNA help find the killer of a Bradford pensioner after 22 years. Also in HD. [S,AD]
9/15. A wrongful conviction is overturned by re-examining microscopic particles on a van seat and an attempted murder outside a nightclub is solved by a facial comparison expert. Also in HD. [S,AD]
8/15. Soil on a spade helps catch the killer of a young woman from Swindon, who for years evaded justice and a stone stuck in the sole of a shoe helps solve a murder in Manchester. Also in HD. [S,AD]
7/15. Insect evidence helps crack the case of missing Warrington teenager Shafilea Ahmed, and a series of convincing John Anster Fitzgerald forgeries are uncovered by an art expert. Also in HD. [S,AD]
4/15. A team of expert witnesses follow a trail of fibres and DNA to solve three cold cases in Pembrokeshire, and a fraudulent diamond investment scheme is exposed by a gemologist. Also in HD. [S,AD]
3/15. Marks left by the tread of a shoe help detectives catch a killer terrorising Rochdale, and a forensic linguist deciphers messages written in slang, revealing a murder plot. Also in HD. [S,AD]
2/15. Blood traces hidden under paint allow an expert witness to find a killer and free five men from suspicion. An unusual gait identifies the murderer of an office worker. Also in HD. [S,AD]
15/15. A 50-year-old cold case murder is solved by DNA and the tenacity of an expert witness, and a murder investigation is solved by tracking unusual blue fibres around the world. Also in HD. [S]
14/15. Forensics analysis by an art expert proves paintings by a well-known Cornish artist are fake, and spattered blood in a hotel bedroom helps catch the killer of a father of three. Also in HD. [S]
12/15. How expert analysis of nettles and soil helped catch the killer of the Soham schoolgirls, and how advances in DNA techniques solved the murder known as the Beauty in the Bath. Also in HD. [S]
11/15. Analysis of text messages reveal a husband's plot to cover up his wife's murder, and traces of DNA on decades-old evidence help bring justice to the family of a murdered woman. Also in HD. [S]
10/15. Pollen and bone experts help identify the remains of a murder victim found in a sports bag. And advances in DNA help find the killer of a Bradford pensioner after 22 years. Also in HD. [S]
9/15. A wrongful conviction is overturned by re-examining microscopic particles on a van seat and an attempted murder outside a nightclub is solved by a facial comparison expert. Also in HD. [S]
8/15. Soil on a spade helps catch the killer of a young woman from Swindon, who for years evaded justice and a stone stuck in the sole of a shoe helps solve a murder in Manchester. Also in HD. [S]
7/15. Insect evidence helps crack the case of missing Warrington teenager Shafilea Ahmed, and a series of convincing John Anster Fitzgerald forgeries are uncovered by an art expert. Also in HD. [S]
6/15. After 32 years, expert fibre analysis helps bring the killer of two Brighton schoolgirls to justice, and the analysis of bones found on a Yorkshire moor helps find two killers. Also in HD. [S]
5/15. A body left in a field prompts the examination of pollen, establishing a new forensic discipline, and fibres fused with car wreckage prove who caused a fatal traffic collision. Also in HD. [S]
4/15. A team of expert witnesses follow a trail of fibres and DNA to solve three cold cases in Pembrokeshire, and a fraudulent diamond investment scheme is exposed by a gemologist. Also in HD. [S]
3/15. Marks left by the tread of a shoe help detectives catch a killer terrorising Rochdale, and a forensic linguist deciphers messages written in slang, revealing a murder plot. Also in HD. [S]
2/15. Blood traces hidden under paint allow an expert witness to find a killer and free five men from suspicion. An unusual gait identifies the murderer of an office worker. Also in HD. [S]
1/15. Soil analysis helps solve a 37-year-old murder investigation in Scotland. In Huddersfield, analysis of insect life on a body found on the moors helps detectives catch a killer. Also in HD. [S]