Continue obtaining valuable information

AP: Tell this to me please,
AP: what event took place
AP: which caused you to want to go to this place right now?
B: Coincidence.
B: I received a file
B: through Coincidence
B: It said something about an object generator being close to my home.
B: So I thought to myself
B: That I can actually go and check out this place.
B: (even though I have been there before)
B: So I took my bike and came here.
B: And found this base.

He received the location on Coincidence.
And (by coincidence?) it happened exactly now when things were supposed to start happening!
Well, looks like they did start indeed.

But this is unexpected.

Who could have sent it?
And why?