Christopher Paul Neil

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Christopher Paul Neil (b. February 6, 1975, New Westminster, British Columbia, Canada),^[1] also known as Mr. Swirl,^[2] is a suspect in an Interpol investigation of the sexual abuse of at least 12 young boys in Vietnam, Cambodia and Thailand and was arrested by Thai police in October 2007.^[3] On January 11, 2008, the start of his trial was set for March 10th. He has pleaded not guilty.^[4] On March 10th it was found that Neil did not have a lawyer. One was assigned to him and the trial was adjourned to June 2nd.^[5]

[edit] Life

Neil was raised and educated in Maple Ridge, British Columbia. There he taught and studied to become a priest ^[6]

Neil allegedly appeared in over 200 photographs depicting the abuse, which surfaced on the Internet and led to a worldwide manhunt known as Operation Vico. Neil's face was obscured by a digital swirl in the photographs, but German computer experts at the Federal Criminal Police Office were able to reconstruct the original picture, using techniques which they have not revealed but are believed to have been as simple as running the transformation in reverse (see below).^[7]

Several of these reconstructed pictures were posted on Interpol's website and led to over 350 people contacting the organization, five of whom identified the man as Neil. Neil was working as an English teacher in the city of Gwangju,^[8]South Korea at the time, at an institute, but fled (with a one-way ticket) to Thailand once he was publicly identified. He was arrested in the Nakhon Ratchasima Province, in the Isan region of northeast Thailand, on October 19, 2007. ^[9] Thai police reportedly located the fugitive by means of a trace on the mobile phone of his 25-year-old Thai katoey partner, who was himself identified by transvestites in the beach town of Pattaya.^[10] While Neil was teaching at the Ramkamheng International Adventist School he allegedly employed the services of a Thai to bring young boys from Internet Cafes to his apartment to perform sexual services.^[11] As Neil arrived at the Royal Thai National Police Headquarters he was swarmed by a battalion of around 300 journalists wielding cameras resulting in his feet being trampled upon until they were bleeding.^[12]

Thai police expanded the hunt for potential child sex offenders by publishing photographs of 50 Western suspects identified by international authorities, many of whom are German citizens. Other nationalities include British, Australian, Italian, Finnish and American.^[13] On the 6th of May, 2008, Interpol launched Operation IDent, its second public appeal to identify an unknown child abuse suspect,^[14][15] who featured in almost 100 images showing the sexual abuse of at least three boys between six and ten years old.^[16] After receiving more than 250 leads,^[17][18] Wayne Nelson Corliss was arrested by ICE agents in New Jersey,^[16] and charged with producing child pornography, admitting sex with three boys and denied bail. ^[19]

The case of Mr. Neil is said to have changed the Korean Immigration's atittude towards English teachers working in Korea.^[20] Requirements on the part of English teachers wanting Korean visas now include a police check from the applicants home country, doubly notarized documents from the where the applicant graduated, and a medical self-evaluation.

[edit] Reverse swirl transformation

This section may contain original research or unverified claims. Please improve the article by adding references. See the talk page for details. (October 2007)

Image demonstrating how a reverse "swirl" effect used on a manipulated image the Mona Lisa can effectively cancel the initial effect

The "swirl" operation allegedly used by Neil to disguise his face in photographs is in theory non-lossy: that is, information about the original image is not lost and can be perfectly restored from the altered version. In practice both resolution and colour depth limitations in a digital image make the operation slightly lossy, but it is reversible by applying the same operation with opposite rotational direction and the same intensity.

Although exact steps may vary, this disguise and restoration can be made by following the following steps:

1. Apply the twirl filter with x degrees settings to the picture. This should distort the picture.
2. To un-distort, apply the twirl filter with -x degrees setting. Alternatively, one can vertically flip the picture and apply the first twirl filter (with x degrees) again.

When starting with a "pre-swirled" image, the reversal may not be as easily done as the example shown to the right, as the settings of the initial swirl are not known. The correct position, area of effect and intensity (angle) of the swirl must be determined in order to cancel the initial swirl successfully, possibly by trial and error.

[edit] References

[edit] See also

• Wayne Nelson Corliss

[edit] External links

• Press release on Interpol website
• Net pedophile suspect arrested