Members of the Metropolitan Police Modern Slavery Unit enter a property in south London during a raid.

Detective Constable Chloe Wilson of the Modern Slavery Unit leads a raid on an address in London.

Police prepare to enter an address where they suspect a potential victim of slavery is being forced to work as a sex worker.

Police talk to a sex worker they believe may be a victim of coercion or some form of slavery in an apartment in east London. On the wall behind her is one of two cameras that constantly monitor her movements, she did not know, or would not say, who was watching.

The bedroom of an apartment in east London used for sex work.

A ledger from a brothel run by a Romanian organised crime group shows transaction times and payments.

The Modern Slavery team makes an arrest during an operation in the Midlands.

Suspected victims of exploitation who fled the scene during an operation in the Midlands are detained.

Police investigating the use of slavery in Cannabis production force their way into a house in the Midlands.

Police look for a way into an address linked to Cannabis production during a raid in the Midlands

A suspected victim of exploitation who fled the scene during an operation in the Midlands is detained.

The modern slavery team make a welfare visit to an address suspected of being a brothel.

Members of the Modern Slavery Team speak with a sex worker (with a translator on speakerphone) during a welfare visit to an address being used as a brothel in London.

An advert placed by a sex worker on adult work.com. Often the adverts are placed by the organised crime groups that control the sex workers.

A police operation on a business suspected of having links to modern slavery.

A police operation on a business suspected of having links to modern slavery.