Uncertainty about the true source. A note on the likelihood ratio at the activity level.

Abstract:

:This paper focuses on likelihood ratio based evaluations of fibre evidence in cases in which there is uncertainty about whether or not the reference item available for analysis - that is, an item typically taken from the suspect or seized at his home - is the item actually worn at the time of the offence. A likelihood ratio approach is proposed that, for situations in which certain categorical assumptions can be made about additionally introduced parameters, converges to formula described in existing literature. The properties of the proposed likelihood ratio approach are analysed through sensitivity analyses and discussed with respect to possible argumentative implications that arise in practice.

journal_name

Forensic Sci Int

authors

Taroni F,Biedermann A,Bozza S,Comte J,Garbolino P

doi

10.1016/j.forsciint.2012.02.021

subject

Has Abstract

pub_date

2012-07-10 00:00:00

pages

173-9

issue

1-3

eissn

0379-0738

issn

1872-6283

pii

S0379-0738(12)00097-7

journal_volume

220

pub_type

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