Ritzy Florida enclave becomes Chinese smuggling hot spot as former military identifies driving force

In a ritzy enclave of South Florida, Chinese migrants are coming ashore via boat, leading to an investigation into human smuggling networks.

Coral Gables is a picturesque city located in Miami-Dade County, Florida, known for its Mediterranean Revival architecture, tree-lined streets and lush landscapes. One Coral Gables neighborhood, Gables Estates, is ranked as the most expensive housing market in the country, according to data by Zillow.

But in recent months, the dazzling city has...