On the surface, Liu Hao with his songbird voice seemed like the ideal candidate as a romantic partner on one of China's popular dating shows.
The 39-year-old music teacher wooed the audience with his soulful singing, and won fans as he duked it out against a competing bachelor with his high-energy running man dance to techno music. Liu's wide grin reflected his confidence.
One woman was so entranced, she picked him out of eight eligible bachelors on the "Happy League" dating show in Heilongjiang province in northeast China.
She picked a possible killer.
Police in Jilin city one province south of Heilongjiang said Wednesday they had detained Liu after they received an anonymous tip more than a month ago from a viewer who recognized the pudgy-faced Liu as a suspect in a murder case from the 1990s.
Although his square jaw had rounded out and his crewcut had been replaced with a more stylish buzz, his button nose and soft features gave way to a familiar face.
Police watched the tapes and indeed Liu resembled Wu Gang _ who stabbed a man to death more than 13 years ago outside a restaurant in Jilin, said Li Ang, a police officer from the criminal investigation department of the Jilin Public Security Bureau.
Li told The Associated Press that after a monthlong investigation, Liu was detained as the key suspect in the case.
"Liu had become accustomed to his new identity and fooling everyone around him so he didn't think twice about going on the show," said Li. "He had managed to escape the law for so long he became overconfident about not being caught."
Li declined to give further details on the case, saying the investigation is ongoing.
A clip of Liu's appearance can no longer be found on the "Happy League" website, which has videos of other episodes.
Calls to the show's management office rang unanswered Wednesday.
Associated Press researcher Yu Bing contributed to this report.
Follow Chi-Chi Zhang at http://twitter.com/thunderchi