Ruth says that there is a renaissance in looking at patterns in evidence, such as finger marks or footwear marks. Renaissance means new interest or activity in a particular topic or area.
They were concerned that if there wasn't the type of evidence in a case that you would see on the TV that the jurors would think, " Well, it's a weak case."
In some cases, however, we do have reliable records or evidence in the equipment itself and then we can see the details of the evolution of the technology.
The Czech government said it was reacting to what it called clear evidence of Russian involvement in a deadly explosion at a Czech weapons facility in 2014.