Taiwan's Kinmen islands are cracking down on smuggled live animals from mainland China, a problem officials now call a threat to border security.

• At least five live animal smuggling cases hit Kinmen in a 40-day stretch over June and July — an unusually high rate.
• Prosecutors pulled together customs, immigration, quarantine, and security agencies, plus police, to share tips in real time instead of sitting on scattered clues.
• Smuggled animals and insects from the mainland can carry disease, so the cases are being treated as a public safety issue, not petty crime.
• For organized or cross-border rings, investigators want to follow the people, the goods, and the money to find who is behind them.
• Small-scale couriers moving goods back and forth are also getting more scrutiny, with officials pushing to stop the trade early.

Outlook: Expect faster prosecutions and tighter checks at Kinmen's ferry terminal and airport in the coming months.