Now, some of these are wrong;
Well, this isn't entirely untrue, if you look at it like black spots on the sun. They are cold spots, and by cold, it means unbelievably hot, but not quite as hot as the stuff around it. The surface of a fire has more oxygen, so the centre probably is cold in comparison. Just don't put your hand on it.
Or she saw the partial silhoette of a gun round corner. Or she googled 'silhoette of a gun', in which case that would have been true.
Oh that is one of my wife main beefs with people. 4 AM in the morning, 25kg in weight, the colour yellow etc.
It doesn't say that the thugs had been travelling by tube, they may have just gone there to look at the poster, and got him while they were there. If you see enough of the sweeny it would be apparent that they would have had a bedford van around the corner. Probably in green.
And I have been at a tube station at midnight which was still functional, in case of any doubts on that part. Maybe they had just been to hamersmith odeon to see Boney M and were on their way back? Almost certainly the tube would be open then.