[boosting6889]

They're not looking to prosecute anyone (defendant is dead), presumably they're trying to recover info the could lead to more terrorists/plots

[lswainemoore]

Yes, but presumably they might want to bring what they find as evidence in such future cases.

[kabdib]

Heck, they can just use "parallel construction" and lie their teeth off, as usual.

[Spooky23]

The whole point is to build a precedent, remember?

[mistercow]

You're talking a layer out. This is about what their rationale is.