(Interview preparation)How axiom is used for investigating child pornogrpahy?

Hi, I have an upcoming job interview for career progression in relating to investigating csam. I currently deal with mobile devices extraction and i m aware of axiom is used to decode the data but not too familiar with how axiom could be used for investigating csam.

Could someone be able to give me a brief idea so I could answer the questions in the interview if I get asked please? Thank you.

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