Originally Posted by
CDTraveler
Go read post #5.
If you regularly have problems with immigration officers, as you seem to be suggesting, perhaps there's something in your conduct raising a red flag? It is not the norm for the UK to request proof of custody, nor does the State Department website state that the UK requires such proof, which it does for the other countries mentioned, such as Mexico.
Why so much rudeness? When another poster mentions their personal experience, why would you question them? It doesn't really matter what the norm is; if you travel much, you sometimes encounter officials who don't always follow the rules.