I was a ghost, and then I wasn't, and then I jumped into the rift with a bomb and ended up here. It was a thing.
[Ianto/Doctor] Information Retrieval in London, Archives and General Support in Cardiff. Which basically meant a bit of everything. Here, I don't have any of the tech or equipment to get through their security and I'm not too keen to find out what they'd do when they caught me.
Almost exactly like Norse mythology. That was Loki. They have friendlier relations with Thor.
Whoever it was didn't have the aim of killing people, from what I could tell. They breached the store on a busy shopping day and released some kind of gas that formed cocoons around anyone caught up in it. They were all broken out without much further incident, but later on some found that they were developing strange powers and there are rumours that the ones who didn't instead got sick and died. That part's a little fuzzy but there's a lot of conspiracy theories out there.