Dummies For Geniuses
The four men wanted their escape plan to be flawless, so they needed to be smart and think unconventionally. Their plan came to the idea of creating dummies that resembled actual people and leave them behind. They wanted prison guards to be on low alert and not suspect anything out of the ordinary.
The Risk Involved
If they were to get caught trying to escape the heavily guarded and remote prison, their punishment would be severe. Being caught escaping by the guards would mean a bullet to the head for them, without a question.