Answer:
What lies in a tunnel of darkness. That can only attack when pulled back?
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
What two things can always see what the other sees, but can never see each other?
A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note: 710 57735 34 5508 51 7718 Currently there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
What is always coming but never arrives?