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    <subfield code="a">The value of CCTV surveillance cameras as an investigative tool</subfield>
    <subfield code="b">Recurso eletr&#xF3;nico</subfield>
    <subfield code="e">an empirical analysis</subfield>
    <subfield code="f">Matthew P. J. Ashby</subfield>
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    <subfield code="a">Ficheiro de 413 KB em formato PDF.</subfield>
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    <subfield code="a">Existem diversos estudos sobre o uso da videovigil&#xE2;ncia para a preven&#xE7;&#xE3;o criminal, mas em n&#xFA;mero inferior sobre o seu valor enquanto ferramenta de investiga&#xE7;&#xE3;o criminal. Foram analisados 251.195 crimes ocorridos na rede brit&#xE2;nica de comboios entre 2011 e 2015. As grava&#xE7;&#xF5;es estavam dispon&#xED;veis para os investigadores em 45% dos casos e foram consideradas provas &#xFA;teis em 29% (65% dos casos dispon&#xED;veis). Conclui-se pela utilidade deste tipo de vigil&#xE2;ncia, em particular para a resolu&#xE7;&#xE3;o dos crimes mais graves.</subfield>
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    <subfield code="c">New York</subfield>
    <subfield code="d">September 2017</subfield>
    <subfield code="v">Vol. 23, n. 3</subfield>
    <subfield code="t">European Journal on Criminal Policy and Research</subfield>
    <subfield code="x">0928-1371</subfield>
    <subfield code="p">p. 441-459</subfield>
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