The police issued an advisory about the re-emergence of a police impersonation scam.
Singapore

Police warns against impersonation scam

While on probation, S'pore youth posed as girl offering sexual services to scam victims of $1,670
Singapore

Youth posed as girl offering sexual services to scam victims

The man arrested is also a victim of a China Officials impersonation scam.
Singapore

Teen paid $350k to scammers and faked his own kidnapping