Here's a few extracts from the transcripts from June '00 BBC documentary. Apologies for the length!
For each illegal person we employ Mark gets a fine in court of £5000, but we still do it because we take the risk.
KESTUS
It's £100 for you to work. Have you got any ID for work permit.
SERGEI
No, I haven't.
KESTUS
It will cost £80. I will take the £100 and share it with the company. You will be working officially. I can get you work even tomorrow from 7 o'clock in the morning.
KENYON
The supermarkets may be three times removed from the labour which helps fill their shelves, but their power and influence does affect most aspects of the food chain right through to the gang-masters
The temptation for gangmasters to employ illegals is that you can pay them less and work them harder. Now the supermarkets of course wouldn't endorse that, but it's their activities right at the top of the food chain which can encourage it. If the supermarkets want more, riper, bigger, sooner, the food chain snaps into action. There's a ripple effect from the shelves out to the fields, as there is with the current supermarket price war.
Q
So when you get sent out of this country, will you try to come back again?
WORKER
Yes, of course.
Q
How many times will you try?
WORKER
When I win.
COLIN HARBIN
HEAD OF IMMIGRATION ENFORCEMENT
We're probably only scratching the surface of it at the present time but there is certainly a lot of it going on, and we know that there are certain parts of industry that does take advantage of this type of labour, the agricultural industry is just one.