U.S. Customs and Border Protection says it is ready to block U.S. imports of seafood — as well as any other goods — produced by North Korean laborers who work in China.

An Associated Press investigation tracked salmon, squid and cod processed by North Korean laborers working abroad to American stores, including Walmart and ALDI. The North Korean workers found in Chinese factories aren't allowed to leave, and receive only a fraction of their pay — most goes straight to the North Korean state. This means that American consumers buying seafood labeled "Caught in the USA, Processed in China" may i...