Why Doesn't Evidence Storage Get Attacked More?

I wonder, you know, given the technological lag that a lot of authorities face in this regard, the backlog, the lag, they might not have bleeding edge testing and storage techniques. I don't know how that would work in a trial. And let's be honest, sometimes stuff disappears. That is also true. Sometimes it's a conspiracy. Sometimes human error,. Right? Because incompetence can look like malevolence from far enough away.