I reckon this sounds a lot like the arguements that would have taken place back when Police first collected fingerprints. How will they store them? What if they are labelled wrong? What happens if I move out & there is a crime commited & they find evidence that I was there.
For starters, I doubt they would actually store DNA, it would be difficult to store & it does degrade. They would have it broken down & then the results stored on a computer, the same way fingerprints are. Yes there may be mistakes & yes it is possible to plant DNA at a crime scene, but there are many ways you can frame someone & having a piece of them may not be the easiest.
The only way this will not happen is if people stop committing crimes.
For starters, I doubt they would actually store DNA, it would be difficult to store & it does degrade. They would have it broken down & then the results stored on a computer, the same way fingerprints are. Yes there may be mistakes & yes it is possible to plant DNA at a crime scene, but there are many ways you can frame someone & having a piece of them may not be the easiest.
The only way this will not happen is if people stop committing crimes.