ROBERT ALEXANDER HORSMAN, 47 a property developer, originally from Ipswich, Suffolk found guilty of sexual abuse The expatriate Briton was jailed for 14 years in Thailand last year for luring a 12-year-old boy to his home in the beach resort of Pattaya and sexually assaulting him.  December 2008 Britons arrested in Thai child abuse investigation Malcolm Henry Payne, 59, and Robert Alexander Horsman, 45, were arrested at different locations in a Thai coastal resort between 6am and 7am on Thursday and are being held for questioning. A 67-year-old German man, Fritz Dieter Battener, and 62-year-old American Robert Roy Lond were also arrested in the tourist resort of Pattaya following a joint operation between the UK’s Child Exploitation and Online Protection Centre (CEOP) and the Royal Thai Police. All four men were arrested at addresses in Pattaya and charged with sexually abusing children under the age of 15. The arrests were made as part of operation Naga, which began earlier this year after CEOP identified an online network of suspected child abusers. CEOP chief executive Jim Gamble said: “This is a huge breakthrough from a child protection perspective.