From Legacy of Secrecy page 869:

We only note for the sake of completeness that there is an unconfirmed report from a Dallas witness who claims that she saw E. Howard Hunt and a Nixon aide with Nixon at the airport on the morning of 11-22-63, shortly before the former Vice President left Dallas. ... The report was made long after the fact, during the Watergate investigations, and the Nixon aide whom the witness claims she recognized was John Ehrlichman

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