The impartial and objective evidence forensic science provides can help convict the innocent and incarcerate the guilty. It enables courts to have the confidence in their decisions and to ensure that justice is done. Whether it's looking at blood patterns and footwear marks at crime scenes to work out what happened, extracting data from suspects mobile phones to discover where they were at critical times, professor Angela Gallop shows that every contact really does leave a trace and every trace can help to solve a crime.
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