1. Execution: In many cases, spies were executed, especially if they were operating in enemy territory. This was often considered an act of treason or espionage, and the penalty was severe.
2. Imprisonment: Spies who were caught could also face long-term imprisonment or internment in prisoner-of-war (POW) camps. They might be held for the duration of the war or for a specific term.
3. Torture: Spies might be subjected to torture or interrogation techniques to extract information. This was particularly common in some countries, especially those with authoritarian regimes.
4. Exchange or Repatriation: In certain instances, spies might be part of a prisoner exchange between countries. They could be exchanged for other captured spies, prisoners of war, or for political reasons.
5. Expulsion or Deportation: Some countries might choose to expel or deport captured spies instead of punishing them severely. This could involve forcibly removing them from the country and sending them back to their home country or a third country.
6. Double Agent: In some cases, captured spies might be turned into double agents. This meant that they would be forced to work for the country that caught them, providing information or carrying out missions against their original allegiance.
7. Coercion or Blackmail: Spies could be coerced into providing information or cooperating with their captors in exchange for better treatment or reduced punishment.
8. Trial and Sentencing: Some countries followed legal procedures, putting captured spies on trial for espionage or other offenses. The outcome could lead to imprisonment, execution, or other forms of punishment based on the verdict.
It's important to note that the treatment of captured spies varied across different countries and military forces during World War II. Some nations adhered to international laws and conventions, while others employed harsher measures to deal with espionage activities.