> why is prosecution going with that lab/software only? Presumably becquse that lab/software gave them the answer they were looking for. Why pay for even more

> why is prosecution going with that lab/software only? Presumably becquse that lab/software gave them the answer they were looking for. Why pay for even more lab/software testing when you've already got what you want (especially when it's a possibility that the additional testing will contradict the first)?