Jehovah's witnesses are very strongly cultic in both doctrine and behaviour, thus fitting both categories of false doctrine and mind control.
They believe that all true Christian churches are of the devil.
They believe Jesus is not God, but is the Archangel Michael - the first being created by God.
They deny that God is a Trinity.
They believe Jesus died on a stake, rather than a cross.
They deny that Jesus rose bodily from the dead.
They believe that ony 144,000 Jehovah's Witnesses will go to heaven. The rest will live forever in a paradise on Earth, never meeting the person who died for them - Jesus Christ.
They believe that salvation is impossible outside of the Watchtower.
They are not allowed to question the Watchtower leadership or teaching.
They claim you need to read the Watchtower's magazines and other material in order to understand the Bible correctly. If you don't read the Watchtower's books, you will "fall into darkness" - what they call reverting to normal Christianity.
They have falsely predicted the end of the world five times.
They have just changed a major Watchtower prediction that the end of the world would come before the generation of Witnesses born before 1914 died.
They used to forbid any vaccinations or organ transplants, even to save lives.
They are not allowed to have blood transfusions, even to save a child's life.
They are encouraged to visit homes for at least 10 hours per month distributing Watchtower materials.
They use their own special translation of the Bible which mistranslates the original texts.
They are well known to disown, shun, and ignore any friends and family leaving the cult.
They discourage tertiary education.
They are not allowed to be in the army or wear crosses.
They are not allowed to celebrate birthdays.
They are not allowed to celebrate Christmas - the date we celebrate the birthday of Jesus Christ.