Which British queue-related crime deserves the harshest punishment — rank the offenders?

Pretends they were 'just checking something' before smoothly stepping in front of you. The audacity is matched only by their fake obliviousness.

They stood in line alone, then somehow six relatives materialise the moment they reach the front. Legally allowed? Debatable. Morally? Absolutely not.

They've packed their bags, paid, and are now telling the cashier about their nephew's wedding while 14 people slowly lose the will to live.

Strolls into the express lane with a trolley full of shopping and the confidence of a man who has never faced consequences.

Stands vaguely near the counter at Greggs, angle unclear, intentions murkier. Are they in line? Are they leaving? Nobody knows, chaos ensues.