For those who have not trained enough in the art of understanding it, the legal system can be somewhat of a minefield. It truly pays to have an expert opinion that can support your cause because each case involves complicated laws, technical exceptions, and a lot of paperwork. DNA expert witness services are used for all of these factors and more. What you need to know about a DNA expert witness is as follows. Who is an Expert Witness? An expert in any particular subject or discipline who is willing or hired to provide an objective and impartial opinion based on their knowledge on issues that are in dispute qualifies as an expert witness. Expert witnesses are often appointed for hearings, trials, and arbitrations. What toxicology tests are performed at DNA Expert Witness Report? 1. What toxicology tests are performed at DNA Expert Witness Report are as follows: 2. Testing of the hair for drug, alcohol, or prescription drug abuse 3. Medicine testing fo