Theory
I believe she's an actress, hired to play a role.
shareNo, not an actress, just an abused kid that got coaxed into her role by her parents over the years.
The whole Greta story stinks like rotten fish, especially her "coincidental discovery".
And she's not right in the head, claiming she can see CO² in the air etc...
I am convinced she is real and believes what she does and says...
And of course it was easy to manipulate her considering her special mental circumstances and the obvious retardation.
I do not say this as an insult, but clearly this 18(!) year old woman is "lagging behind" a bit in development, both mentally and physically.
Question is, will she ever wake up once she's older and more mature, or will this ugly business consume her?