We need to discredit quantity of images on a possession of child pornography <500 charge

This is for a criminal case in Collin County Texas. We need to discredit quantity of images. The charge is Possession of child pornography <500. You must be a qualified expert, otherwise your testimony won’t be allowed. This is very important.

More details:

Is this project for business or personal use? Personal
What information should successful freelancers include in their application? Experience
How soon do you need your project completed? ASAP