The Captor

Question: I'll capture you, hold you, and to your dismay, drag you thru space and time, all in one day. Move 'cross the globe with a single command, now tell me what I'll subject you to at your demand.

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: What asks but never answers?

Question: I have 6 faces and 21 eyes, but can't see a thing. What am I?