That's why Jeff Hyland, president of Beverly Hills, Calif.

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Det Insp Kevin Hyland, of London's Metropolitan Police - which sees the UK's highest rates of trafficking - said some victims travelled to the UK in lorries or containers but the majority arrived lawfully, often accompanied by their traffickers.

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"You don't want people to ask what's going on here, " Mr. Hyland says.

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"It's disappointing pretty much across the board, " said Ed Hyland, investment specialist at J.

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