People make false confessions for different reasons. According to the Psychology of Evidence and Trial Procedure, there are three categories of false confessions.

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1.       Voluntary
This is done to gain attention or notoriety, to protect someone else, because of guilt from another transgression, or there’s some delusion and the person is unable to distinguish between fantasy and reality.

2.       Compliant
There may be a stressful interrogation, the person is doing it to avoid harm or punishment, or they’re doing it to gain promised or implied leniency.

3.        Internalized
The person has lied about evidence. They question their own innocence. Or, they believe they committed a crime - sometimes accompanied by false memories.
Learn more in the video above. And, hear how Dr. Phil says this relates to his guest Robert, who claims he murdered his wife and got away with it.
This episode airs Monday. Check here to see where you can watch.