Get in touch with this person , and tell them that you think they are your sister . Ask questions that only your sister would know the answer to like their favorite toy as a child . If they start getting sketchy , and asking for money and stuff , ask for a DNA test . <| sep |> Ugh I frequently use 2 . 7 features and don ' t notice until someone tries to copy my scripts to a VM with a 2 . 6 system python . Testing multiple versions with tox would catch this . But simple oneoff singlefile scripts are rarely tested so rubustly worked on my machine ! then it comes back to haunt me months later . <| sep |> The twilight zone , breaking bad , black mirror <| sep |> To be fair he had a hell of a response and to his credit he DIDNT attack American Muslims because he realized they weren ' t the enemy .