China's State Security Ministry disclosed that classified military documents were purchased for 85 cents by a retiree named "Grandpa Zhang." The sale involved eight volumes, costing less than $4 total.

The State Security Ministry of China announced on Thursday that, for the low cost of 85 cents, a retiree had managed to obtain four volumes of classified military documents from a recycling store.

The ministry thanked the retiree for reporting the documents to authorities and detailed t...