3/15. When a body is found in a wheelie bin in a lake, a cell site analyst tracks the suspects' mobile phones. And when a man disappears, a soil expert helps identify his killers. Also in HD. [S]
2/15. A twisted killer throws two suitcases containing severed remains into a canal, and it's down to a 3D-scanning expert to uncover the crucial evidence needed to convict him. Also in HD. [S]
14/15. A dentist's expertise in forensics helps police to connect a man to the disappearance of his wife. And a soil expert helps to bring convictions against three heritage thieves. Also in HD. [S]
12/15. Detectives hunting the killer of a young woman from Bolton require the help of a fibre and DNA specialist to arrest their suspect. Also in HD. [S]
7/15. An expert witness helps police link a drug gang to the death of a Vietnamese man in Wales. And DNA experts gather evidence that identifies the killer of a man from Bristol. Also in HD. [S]
8/8. When a young nurse is murdered, a soil analyst links the suspect to where the body was found. And a wildlife DNA specialist helps police catch illegal blood sport suspects. Also in HD. [S]
7/8. A fibre analyst is called in when a missing persons enquiry becomes a murder investigation, and a forensic archaeologist leads the search for the remains of a young woman. Also in HD. [S]
6/8. Blood pattern analysis helps identify the killer of a body found in a suitcase, and a forensic search specialist helps unlock a murder investigation. Also in HD. [S]
5/8. An ecologist uses her expertise in single-celled organisms to help crack a murder case, and a poisoned curry is suspected of killing a man - can an expert at Kew Gardens prove it? Also in HD. [S]
4/8. An expert witness uses soil analysis to find the body of a missing woman feared dead, and an odontologist is called on to examine a bite mark made on a murder victim 21 years ago. Also in HD. [S]
3/8. A forensic expert brings the lab to the crime scene, using a custom-built superglue gas chamber to lift fingerprints, and an autograph analyst proves signatures are fraudulent. Also in HD. [S]
1/8. A forensic biologist helps crack the cold-case murder of Brenda Page after 35 years, and a blood pattern analyst is called to investigate a murder in a post office. Also in HD. [S]
4/15. When a killer gang use a secret language to discuss an attack, police turn to a forensic linguist. And a huge cannabis operation is brought down with the help of a drugs expert. Also in HD. [S]
13/15. An expert in mobile phone technology tracks the movements of a murder suspect, and an expert in art fraud determines whether a very expensive painting is genuine or fake. Also in HD. [S,AD]
10/15. A blood spatter analyst unlocks the mystery of a woman murdered in her own car, and an expert witness uses a mobile phone to help detectives solve a baffling murder case. Also in HD. [S,AD]
9/15. An expert in microscopic lifeforms helps solve the murder of a teenager, and a handwriting expert assists an old lady whose house has been sold without consent. Also in HD. [S,AD]
6/15. A fibre analyst helps convict the killer of grandmother Maureen Cosgrove, and how forensic evidence was used in the case of serial child killer Robert Black 40 years ago. Also in HD. [S,AD]
14/15. A dentist's expertise in forensics helps police to connect a man to the disappearance of his wife. And a soil expert helps to bring convictions against three heritage thieves. Also in HD. [S]
12/15. Detectives hunting the killer of a young woman from Bolton require the help of a fibre and DNA specialist to arrest their suspect. Also in HD. [S]