In the bosom of the Child Exploitation and Online Protection centre, or Ceop, is a little windowless room - the victim designation suite.
In reddish letters on one wall, a mark reads: "There may be distressing sounds and mental images in this room."
It is two old age since Ceop was created, establishing a powerful confederation of British People and foreign police force forces, computing machine experts, charities and schools.
At the coalface are specializer officers, always working in pairs, who look at mental mental image after image of the most hideous kid abuse.
They scan the confronts of the victims with specializer software, creating digital maps that tin be compared with 100s of one thousands of other mental images to happen matches.
They look at the boundary lines of the mental images and at the backgrounds. Are there hints to the location, even the country? Electrical sockets, furnishings and books can all narrow down the search.
On norm it takes two calendar months to follow each child.
John Hodge is seconded to Ceop from Devonshire and Cornwall Police.
He explicates that the computing machine software system used will often demo that a single mental image have been sent from pedophile to paedophile, creating a transcript in each computing machine it is downloaded to.
These amount to one thousands of separate records of a split 2nd of abuse.
In the last 12 months, the Ceop squad have got studied stopping point to a million maltreatment mental images and as a result, 18 children have been traced and brought to safety.
The work is agonizing and all members of the squad have mandatory counselling, but beginnings state their occupation satisfaction come ups when a kid is removed from danger.
Ceop's purpose is to supply a focusing for attempts to track down internet pedophiles and their victims.
It also offers support and expertness to patrol military units at a local, national and international level.
Ceop head executive director Jim Gamble have vowed to track sexual activity wrongdoers down
Figures uncover that in its 2nd twelvemonth 297 suspected cyberspace sexual activity wrongdoers were arrested - a threefold increase on the former twelvemonth - and 131 children were taken out of danger, either by being traced online or by being rescued in forays or other unrecorded operations.
Ceop also received 5,812 studies of maltreatment in the last 12 calendar months - a 76% rise from the twelvemonth before - and smashed six organised pedophile rings.
In one case, a beer maker was jailed indefinitely after admitting that from his sleeping room in Suffolk he hosted a website that traded one thousands of indecent mental images of children across the world.
Head executive director of Ceop Jim Gamble trusts that publication these figs will discourage those thought of looking online for kid maltreatment images.
"I trust wrongdoers take note. Look at the ways in which together we are infiltrating your worlds, apprehension your heads in order to restrict aberrant behavior and I trust you believe again," Mister Gamble said.
"If you are abusing children then we will track you down."
In another portion of the Ceop business offices staff work on instruction programmes.
So far, 1.7million schoolchildren in the United Kingdom have got been reached by the "Think Uracil Know" political campaign aimed at helping them remain safe online, and ensuring they cognize who to speak to if they fear they are being stalked.
Some 11,000 teachers, parents and carers have got also been given specializer preparation to assist them do children more aware of the hazards posed online by sexual activity offenders.