21 research outputs found

    How the timing of police evidence disclosure impacts custodial legal advice

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    Presently, the police in England and Wales disclose their evidence at different points during the arrest and detention of a suspect. While the courts have not objected to this, past field research suggests that lawyers can only advise their clients accurately when the police disclose their evidence before the police interview. To examine this from a law – psychology perspective, we recruited 100 criminal defence lawyers to participate in an online study. Lawyers read fictional scenarios and provided custodial legal advice to a hypothetical client (Christopher) when given either pre-interview disclosure or disclosure at various points during the police interview (early, gradually, or late). Lawyers given pre-interview disclosure provided considerably more informed legal advice compared to those who were only provided with disclosure during the hypothetical police interview. Using an interdisciplinary approach, this paper provides further evidence that pre-interview disclosure is essential for lawyers to deliver case-specific legal advice to suspects

    Truth-tellers stand the test of time and contradict evidence less than liars, even months after a crime

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    When deceptive suspects are unaware of the evidence the police hold against them, they contradict that evidence more than truthful suspects do – a useful cue to deception. But given that, over time, truthful suspects might forget the past and also contradict the evidence, how effective are lie detection techniques that rely on such inconsistencies when suspects are questioned months after a crime? In Experiment 1, people committed a theft (liars) or a benign activity (truth-tellers) in a university bookshop. Shortly after or two months later, we questioned them about their bookshop visit without informing them of the evidence implicating them in the theft. Though truth-tellers contradicted some evidence after both time delays, liars always contradicted the evidence more than did truth-tellers. In Experiment 2, we presented the mock suspects’ responses to an independent group of laypeople and asked them to rate how deceptive the suspects were. Laypeople rated liars as more deceptive than truth-tellers after both time delays, but also rated truth-tellers questioned two months after the crime as more deceptive than truth-tellers questioned shortly after the crime. These findings suggest that liars’ tendency to distance themselves from a crime might outweigh any memory decay that truth-tellers experience in the two months following a crime. As a result, the extent of a suspect’s contradictions with the evidence could still be diagnostic of deception even after an extended time delay

    Behind closed doors : live observations of current police station disclosure practices and lawyer-client consultations

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    Drawing on recent observational fieldwork as well as existing research studies in the fields of law and of psychology, this article examines the nature of police practices in the disclosure of evidence before and during custodial interviews of legally represented suspects. Whilst police pre-interview disclosure to lawyers was a fixed practice, the format of disclosure varied and lawyers were rarely permitted to inspect the evidence, relying instead on the officer’s account. Disclosure was sometimes provided in stages, either as a deliberate tactic or when evidence was lacking. Officers occasionally exaggerated the strength of their case to suspects and resisted providing more detail to lawyers – an approach that seemed designed to elicit an admission from the suspect. In line with past research, lawyers relied on the evidence that police disclosed when advising clients before the interview and occasionally argued with the police for more disclosure. Taken together, these findings suggest that police are complying with the minimum disclosure requirements set out by legislation, and that police may be more open with lawyers than previous research suggests. Some of our findings warrant concern, however, and raise questions about risks to vulnerable suspects in custody and risks to suspects without legal representation

    Strategic disclosure of evidence : perspectives from psychology and law

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    The police frequently present their evidence to suspects in investigative interviews. Accordingly, psychologists have developed strategic ways in which the police may present evidence to catch suspects lying or to elicit more information from suspects. While research in psychology continues to illustrate the effectiveness of strategic evidence disclosure tactics in lie detection, lawyers and legal research challenge these very tactics as undermining fair trial defense rights. Legal research is alive to the problems associated with strategically disclosing evidence to a suspect, such as preventing lawyers from advising the suspect effectively, increasing custodial pressure for the suspect, and worsening working relations between lawyers and police. This paper brings together the opposing research and arguments from the two disciplines of psychology and law, and suggests a new way forward for future research and policy on how the police should disclose evidence

    Prognostic model to predict postoperative acute kidney injury in patients undergoing major gastrointestinal surgery based on a national prospective observational cohort study.

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    Background: Acute illness, existing co-morbidities and surgical stress response can all contribute to postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. The aim of this study was prospectively to develop a pragmatic prognostic model to stratify patients according to risk of developing AKI after major gastrointestinal surgery. Methods: This prospective multicentre cohort study included consecutive adults undergoing elective or emergency gastrointestinal resection, liver resection or stoma reversal in 2-week blocks over a continuous 3-month period. The primary outcome was the rate of AKI within 7 days of surgery. Bootstrap stability was used to select clinically plausible risk factors into the model. Internal model validation was carried out by bootstrap validation. Results: A total of 4544 patients were included across 173 centres in the UK and Ireland. The overall rate of AKI was 14·2 per cent (646 of 4544) and the 30-day mortality rate was 1·8 per cent (84 of 4544). Stage 1 AKI was significantly associated with 30-day mortality (unadjusted odds ratio 7·61, 95 per cent c.i. 4·49 to 12·90; P < 0·001), with increasing odds of death with each AKI stage. Six variables were selected for inclusion in the prognostic model: age, sex, ASA grade, preoperative estimated glomerular filtration rate, planned open surgery and preoperative use of either an angiotensin-converting enzyme inhibitor or an angiotensin receptor blocker. Internal validation demonstrated good model discrimination (c-statistic 0·65). Discussion: Following major gastrointestinal surgery, AKI occurred in one in seven patients. This preoperative prognostic model identified patients at high risk of postoperative AKI. Validation in an independent data set is required to ensure generalizability

    In vivo evidence that the stromelysin-3 metalloproteinase contributes in a paracrine manner to epithelial cell malignancy

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    Stromelysin-3 (ST3; Basset, P., J.P. Bellocq, C. Wolf, I. Stoll, P. Hutin, J.M. Limacher, O.L. Podhajcer, M.P. Chenard, M.C. Rio, P. Chambon. 1990. Nature. 348:699–704) is a matrix metalloproteinase (MMP) expressed in mesenchymal cells located close to epithelial cells, during physiological and pathological tissue remodeling processes. In human carcinomas, high ST3 levels are associated with a poor clinical outcome, suggesting that ST3 plays a role during malignant processes. In this study we report the ST3 gene inactivation by homologous recombination. Although ST3 null mice (ST3−/−) were fertile and did not exhibit obvious alterations in appearance and behavior, the lack of ST3 altered malignant processes. Thus, the suppression of ST3 results in a decreased 7,12-dimethylbenzanthracene-induced tumorigenesis in ST3−/− mice. Moreover, ST3−/− fibroblasts have lost the capacity to promote implantation of MCF7 human malignant epithelial cells in nude mice (P < 0.008). Finally, we show that this ST3 paracrine function requires extracellular matrix (ECM)-associated growth factors. Altogether, these findings give evidence that ST3 promotes, in a paracrine manner, homing of malignant epithelial cells, a key process for both primary tumors and metastases. Therefore, ST3 represents an appropriate target for specific MMP inhibitor(s) in future therapeutical approaches directed against the stromal compartment of human carcinomas

    In Vivo Evidence That the Stromelysin-3 Metalloproteinase Contributes in a Paracrine Manner to Epithelial Cell Malignancy

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    Stromelysin-3 (ST3; Basset, P., J.P. Bellocq, C. Wolf, I. Stoll, P. Hutin, J.M. Limacher, O.L. Podhajcer, M.P. Chenard, M.C. Rio, P. Chambon. 1990. Nature. 348:699–704) is a matrix metalloproteinase (MMP) expressed in mesenchymal cells located close to epithelial cells, during physiological and pathological tissue remodeling processes. In human carcinomas, high ST3 levels are associated with a poor clinical outcome, suggesting that ST3 plays a role during malignant processes. In this study we report the ST3 gene inactivation by homologous recombination. Although ST3 null mice (ST3−/−) were fertile and did not exhibit obvious alterations in appearance and behavior, the lack of ST3 altered malignant processes. Thus, the suppression of ST3 results in a decreased 7,12-dimethylbenzanthracene-induced tumorigenesis in ST3−/− mice. Moreover, ST3−/− fibroblasts have lost the capacity to promote implantation of MCF7 human malignant epithelial cells in nude mice (P < 0.008). Finally, we show that this ST3 paracrine function requires extracellular matrix (ECM)-associated growth factors. Altogether, these findings give evidence that ST3 promotes, in a paracrine manner, homing of malignant epithelial cells, a key process for both primary tumors and metastases. Therefore, ST3 represents an appropriate target for specific MMP inhibitor(s) in future therapeutical approaches directed against the stromal compartment of human carcinomas
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