The Police and Criminal Evidence Act of 1984 (UK) (PACE) has undergone major changes since its inception. The PACE and the PACE Codes of Practice provide the core framework of police powers and safeguards around stop and search, arrest, detention, investigation, identification and interviewing detainees (Police Home Office 2009). In the month of December 2008, post the S and Marper European Court of Human Rights ECtHR judgment, PACE underwent a review and changes were effective on the 31 December 2008, however, more changes especially on the issue of the retention of fingerprints and DNA are forthcoming. According to the Home Office the changes expected in the PACE will be to ensure that the “right balance between the powers of the police and the rights and freedoms of the public” are maintained (Police Home Office 2009). On reviewing the legal changes that have taken place since 1984 via a multitude of Acts, it can be said the United Kingdom (with the exception of Scotland) has, contrary to the claims of the Home Office, experienced a significant imbalance between the powers of the police and the rights and freedoms of the public. In the last 15 years, the rights and freedoms of the public have been severely encroached upon, and police powers significantly increased. A brief review of the major legislative impacts between 1984 and 2008 will be reviewed below. They are summarized in a timeline in Figure 1.
Changes to U.K. Legislation 1984-2008 that have Given the Police Greater Powers and have had an Impact on Fingerprint and DNA Retention (The content in was taken from Genewatch UK (2009a) but adapted and turned into a timeline for the sake of readability)
PACE was introduced in 1984, one year prior to Dr Jeffrey’s discovery of DNA. Interestingly, PACE allowed for the police to ask a doctor to take a blood sample from a suspect during the investigation of a serious crime but only with their express consent. Thus a suspect had to volunteer or “agree” to a blood sample being taken, it could not be taken by force. Even after Jeffrey’s discovery, there was limited use of blood samples for forensic analysis as tools and techniques were still in their infancy. The Single Locus Probe (SLP) technique which was in use in early DNA examinations had numerous limitations. While new SLP technology overcame some of these limitations, “the statistical evaluation of SLP DNA evidence brought a new set of problems, perhaps even more difficult to overcome than the preceding technical limitations” (Sullivan 1998). In sections 61-65 the original PACE classified blood samples and scrapings of cells from the inner cheek as intimate in nature. Hair samples (save for pubic hair) was the only type of non-intimate DNA sample that could be retained for forensic analysis without the permission of the suspect, and this on account of an investigation into a serious arrestable offence. Although this kind of DNA cut with scissors rarely provided enough of a good sample to conduct single locus probe (SLP) profiling, it was in the late 1980s that PCR (polymerase chain reaction) profiling could amplify and type a single strand of hair (Home Office, 2004). This is when mass screenings of DNA samples were possible. To begin with there was great contention over the admissibility of DNA evidence in a court of law but this changed as commonplace errors and procedural issues were rectified, new more modern profiling techniques were introduced, and larger databases for statistical purposes became available.