In the bar scene where the main character is drugged by Tiffany, we see him reach down to pick up her wallet, she is wearing solid black shoes In the next scene (Wide Shot) where she drags the drunk/drugged Vinnie Jones to his apartment, she is wearing open toe shiny ones.
When Vinnie Jones Is standing on Derek Jacobi's shoulders to break into the flat, next to the CCTV sign, it is entirely obvious that his weight is not on the shoulders, as his feet seem to be hovering in mid air.
When the woman goes to his place to cook him dinner she throws out a wire mesh basket of fruit and puts the basket at the edge of the island but in the next scene it is back in the middle and is full of fruit.
Same serial code "62655" on white Five Pound notes being counted between time index 1:31:54 & 1:31:59 ... where the policeman is counting out money on public house table.
As Mike is walking out of the police station, a boom mike is visible in the shot for a few seconds.
Boom mike visible from 52:22 to 52.26 on Mail on Sunday edition of the movie The Riddle. As Vinnie Jones & Julie Cox leaves the Police Station. Boom mike visible on top right hand side.