Recovery techniques for contact DNA traces

Abstract

Donor DNA profiling can serve at least two purposes: 1) to enhance the evidential value of DNA deposited on garments/items and 2) to provide valuable tactical information during crime scene investigation. In this review, different types of methods for the recovery of the contact DNA traces have been summarized. Additionally, with the available techniques, the unique characteristics and limitations thereof have been overviewed. The aim of this paper is to review the techniques of touch traces collection.