What is this number?
It is an individual’s DNA profile, similar to the sort that are stored on the National DNA database using a system known as SGM Plus.
What is the difference between a DNA profile and a DNA sample?
A DNA sample is the the raw biological material collected from an individual on arrest, using a mouth swab. This can provide identifying information that can be matched to a crime scene sample, but it could also be tested to reveal information about an individual’s risk of disease or ancestry.
A DNA profile is a string of 20 numbers