character recognition through close meeting,

character recognition through close meeting,
  also through the person's face,
the type of movements, speech and expression of the individual.
Through movement and behavior.
Because at these meetings you can know who you are meeting whether the person is wearing Ganglia or not.
Then where the person is trying to meanwhile depress the person who has a meeting with.

And it's perfectly clear from the movements of his hands and feet that the person sitting in front of you is a dangerous person.

Through movement and behavior