Adam said the first weekend back at home had been difficult because it was the first time he had sat and spoken properly about the accident.

Some policing experts say that, properly used, the method can elicit truth from criminals who are lying.

"We should have been prepared better but that was not done properly."

She said problems could have arisen from people using multiple devices under one IP address or not properly refreshing the website, or if their browsers were outdated.

Once recovered and breathing properly, one snicker from either of us in remembrance of what had been so funny, and off we would go, falling back into hysterics.