are there psychic detectives using tarot

prudence said:

I agree with Gregory though that tarot is too vague in general for most of these kinds of readings, and that Lenormands would give much more clear and direct answers.

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Tarot is more vague, still it is a lot more popular than lenormand. We draw from this that tarot has certain advantages. Does vagueness invite more conversation between reader and questioner, creating more of a social atmosphere and making it more fit as as a psychological help?