Greenwald's partner's detention is not convenient, hype or self-promotion.

[Denzil_DC]

90. This came up on another thread.

I've no idea what their justification was, nor indeed whether they felt they had one, but the law's broadly drafted. Here's how it defines terrorism:

Section 1. –

(1) In this Act "terrorism" means the use or threat of action where-

(a) the action falls within subsection (2),
(b) the use or threat is designed to influence the government or to intimidate the public or a section of the public, and
(c) the use or threat is made for the purpose of advancing a political, religious or ideological cause.

(2) Action falls within this subsection if it-

(a) involves serious violence against a person,
(b) involves serious damage to property,
(c) endangers a person's life, other than that of the person committing the action,
(d) creates a serious risk to the health or safety of the public or a section of the public, or
(e) is designed seriously to interfere with or seriously to disrupt an electronic system.

(3) The use or threat of action falling within subsection (2) which involves the use of firearms or explosives is terrorism whether or not subsection (1)(b) is satisfied.

I guess they could argue that the subsections above that I bolded might apply. I've no idea of the rationale for releasing Miranda while hanging on to his electronics, which they presumably did on the pretext of looking for evidence.