The trio allegedly opened corporate bank accounts to receive proceeds from a Malaysia-based scam syndicate.
The 32-year-old will represent Singapore at the World Finals in Switzerland later this year.
No explosive device was found during the inspection, but the flight was delayed.
The older male fan claimed it was a "secret technique" that prevents them from "switching favourites".
More than 1.4 million travellers crossed Woodlands and Tuas checkpoints during the recent Good Friday weekend.
Ng Eng Hen also photographed himself taking an MRT train to eat hawker food.
A question a day keeps the scammers away.
Both girls were last seen at around 12.05pm near 9 Pasir Ris Drive 6.
Police found 18 video cameras and 24 lighting devices on the poles.
The motorcyclist was subsequently conveyed to Woodlands Hospital.