Soil analysis helps solve a 37-year-old murder investigation in Scotland. In Huddersfield, detectives analyse insect life on a body on the moors to catch a killer. S1/Ep1
Forensic specialists help solve some of the most complex crimes. How did they use science and mind-blowing expertise to uncover critical hidden clues? S1/Ep15
Insects establish an accurate time of death, proving that a husband killed his wife. Analysis of burnt remains in Leeds uncovers another brutal murder. S1/Ep13
Experts analyse chalky soil to catch the killer of Sohum schoolgirls. Advances in DNA techniques finally solve the murder known as 'Beauty in the Bath'. S1/Ep12
Analysis of text messages reveal a husband's plot to cover up his wife's murder. Traces of DNA on decades old evidence helps solve the murder of a young woman. S1/Ep11
Pollen and bone experts help identify the remains of a murder victim found in a sports bag. Advances in DNA help find the killer of a pensioner after 22 years. S1/Ep10
A wrongful conviction is overturned by re-examining microscopic particles on a van seat. An attempted murder outside a club is solved by a facial comparison expert. S1/Ep9
Insect evidence helps crack the case of missing Warrington teenager, Shafilea Ahmed. A series of convincing forgeries are uncovered by an art expert. S1/Ep7
After 32 years, fibre analysis helps bring the killer of two Brighton schoolgirls to justice. The analysis of bones found on a moor helps find two killers. S1/Ep6
A team of expert witnesses follow a trail of fibres to solve 3 violent cold cases in Pembrokeshire. A fraudulent diamond investment scheme is exposed by a gemologist. S1/Ep4
Marks left by a shoe help detectives catch a killer terrorising Rochdale. A forensic linguist solves a murder by de-coding messages written in slang. S1/Ep3
Blood traces under paint allow an expert witness to find a killer and free five suspects. An unusual gait identifies the murderer of an officer worker. S1/Ep2
Soil analysis helps solve a 37-year-old murder investigation in Scotland. In Huddersfield, detectives analyse insect life on a body on the moors to catch a killer. S1/Ep1