Prologue: The death of a somebody

'Hello? FBI agent John Walker here. I think we found the culprit.'

'What the hell? Did the team manage to kill that?' A surprised voice could be heard from the other side of the walkie-talkie.

'Well not exactly. It looks like… it killed itself?'

'What the … never-mind. Good job out there. We are sending a team of investigators there. Report if you find any abnormalities.' The guy said in a serious tone

'Yes sir'.

On the other hand-

'Where am I?