MICE and human longing: why people betray their country, according to insiders

October 9, 2026 · 22 min read

Former CIA disguise chief Jonna Mendez and historian Rick Spence both explain betrayal with the MICE model, and former covert officer Andrew Bustamante describes recruitment through personality and human longing. Their accounts show espionage running on ordinary human motives, which is useful for anyone trying to understand how people are talked into acting against their own side.

11 questions on this insight. Answer in your head, then open the card.
What does MICE stand for? Show answer

Money, ideology, compromise (Mendez) or coercion (Spence), and ego. These are the four motives for betraying one's country.

Which MICE motive do Mendez and Spence both rank highest? Show answer

Ego. Typical triggers include being passed over for promotion or holding a grudge against a boss.

How effective did Mendez find compromise? Show answer

She said it rarely worked well.

What coercion method does Spence attribute to the Tsarist Okhrana? Show answer

Arrest a group of revolutionaries, release one, and threaten to spread the rumor that he is an informer unless he actually becomes one.

Why does Spence suspect ego, not ideology, drove Kim Philby? Show answer

Philby himself said one never looks twice at an offer of service in an elite force. Spence says that if he had to guess, he'd pick ego.

How did Mendez's colleagues keep recruited foreign agents going? Show answer

They lessened the agents' fear, built belief in the agency's competence, and praised and encouraged them to do more.

What does Bustamante call his most surprising lesson about human nature? Show answer

That everyone carries a painful longing to be with others. Loneliness hurts and togetherness feels good.

What question does Bustamante say protects against flattery? Show answer

Is this true, or do I just want it to be?

What do polygraphs actually detect, according to Bustamante? Show answer

Variance from a person's physiological baseline, which points interviewers toward sensitive topics. They don't detect lies themselves.

Why does the CIA train officers not to use sexpionage, according to Bustamante? Show answer

Because it complicates cases. He adds that China and Russia use it well.

What does Spence call the primary reason people join secret groups? Show answer

The desire in the human heart to belong.

This is the short form. The full insight has every expert's reasoning, their own words and the sources.