The Biology team at Arrogen Forensics Ltd comprises a number of highly regarded forensic scientists who each have extensive experience in all aspects of forensic biology and are at the top of their fields of expertise.
During their long careers in the forensic industry they have built a reputation in the delivery of robust high-quality science. They continue to deliver a customer-focused service at Arrogen Forensics, approaching all aspects of their work conscientiously and with balance.
Their collective breadth of experience, which has had to adapt to an ever-changing marketplace, adds to the strong multi-faceted team at Arrogen Forensics. Their strength is in reporting technically complex findings in a straightforward and rigorous manner. Their main aim to undertake a relevant review of the findings in all cases in which they are instructed and to assist customers in putting the science into context.
Body fluid ID
The correct identification of blood, semen, saliva and other biological material at the scene of a crime or on items recovered from them, including clothing and footwear is often of the utmost importance to an investigation. Similarly, the distribution, presence (or absence) of a specific body fluid on items of clothing, intimate swabs, possible weapons or other objects may assist the investigator in clarifying what has occurred and identifying those who were or were not involved and our experts can help address these issues.
Arrogen Forensics offer a wide range of ‘crime scene to court’ forensic biology services for criminal/civil defence lawyers, police, private individuals and industry. These include:
- Scientific case assessment & interpretation
- Evaluative peer-reviewed reporting
- Expert witness to the court
- Laboratory examinations in a DNA-controlled environment including primary examinations of items that have not previously been examined and sample recovery
- Body fluid analysis & interpretation
- DNA interpretation, including specialist techniques (including QSNP technology) & statistics
- Expert opinion on potential attribution of a DNA profile to a particular body fluid
- Transfer & persistence of body fluids
- Independent scene examination
- Blood Pattern Analysis (BPA) including blood enhancement using luminol
- Sexual Offence case review
- Cold case review
- Training and awareness courses and subject-specific seminars
- Delivery of BPA training courses (recognised by IABPA) for multi-agency law enforcement practitioners
Blood Pattern Analysis
Blood pattern analysis (or BPA) is one of the more opinion-based disciplines within forensic science and Arrogen Forensics are regarded as specialists in this area. Not only can the appearance and distribution of bloodstains help to indicate the manner in which blood has been deposited, in some circumstances it can assist in determining the events and actions that took place during the activities associated with blood loss.
Our BPA Services include:
- Examination of BPA at scenes of crime;
- Laboratory-based examinations of items for blood and BPA;
- Enhancement of bloodstains including with luminol.
- Evaluate the nature of bloodstain patterns, including possible actions that may have caused them e.g. assailant v. bystander defence
- Develop and deliver professional training courses in BPA and offer awareness lectures and workshops.
Sexual Offences Review
The evaluation and interpretation of scientific evidence in sexual offence investigations can be extremely challenging and can include results from a broad spectrum of forensic science including assessment of body fluids, damage and fibre transfer. Our scientists specialise in unpicking the complexities of sexual offence investigations and are able to advise on strategy and interpretation, including the delivery of bespoke training.
DNA Transfer and Persistence
As DNA profiling techniques have become more sensitive, it has become easier to detect DNA matching individuals on items which they have worn or handled. It is also possible for an individual to handle an object without their DNA being transferred at all and for a person’s DNA to be transferred to another surface through secondary (indirect) transfer. This can mean that DNA matching an individual can be detected on an item without them having had contact with that item directly. The evaluation of the transfer persistence of the DNA in any given scenario is a complex area of forensic science and an area in which Arrogen Forensics have a great deal of casework experience.
Over the years we have developed expertise in DNA interpretation including high sensitivity profiling results and complex mixtures.
We can also deliver a range of bespoke training on a number of topics including DNA strategy and case assessment, DNA mixture interpretation and best practice for recovery of DNA.