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  • Jul 13, 2014
  • Updated: 5:00am

Tricks of the trade

PUBLISHED : Thursday, 05 November, 2009, 12:00am
UPDATED : Thursday, 05 November, 2009, 12:00am

Modern technology allows tiny cameras to be hidden almost anywhere

'Be careful, his bow tie is really a camera,' Simon and Garfunkel sang in their hit single America almost 40 years ago. These days the camera is more likely to be hidden in a watch, the crack in the door of a karaoke room or even in a Bluetooth headset.

Private detective Chan revealed such tricks of the trade while describing how investigators used miniature cameras to monitor suspected teen drug users.

'There's a pinhole-sized lens located in the dial plate, between 1 o'clock and 2 o'clock,' Chan said, showing off a watch that can record about four hours of video. As drug use tended to take place indoors, investigators needed to spy on activities behind closed doors, such as in karaoke rooms. Detectives also needed to liaise with mainland counterparts because Shenzhen was a popular place for Hong Kong youngsters to take drugs.

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