When looking for the owner of the green Chrysler Sunbeam, Brian Lane found a 1998 Chrysler Sunbeam. That is not possible because the Chrysler Sunbeam was only built from 1977 till 1981.
They say she took the tube to Chigwell, and then caught a 20 bus.
I grew up in Chigwell, and the 20 does not pass through. The 10 does.
Checking the internet, it seems that this has not changed down the years.
Brian tells Gerry that Walt Disney was 'cryogenically' frozen after death.
A detail-obsessed, eidetic, obsessive like Brian would not make such an elementary error.
The correct word is 'cryonically'