I guess he's not such an expert then. Ink samples are the sort of thing that might have to be done with a good forgery. For example, if this Dr. Sinclair had died in 1959 no ink sample would be necessary. And none is needed here either. It's an obvious forgery.
As for Administration "experts," they don't count for much. And I pay pretty close attention but cannot recall a single document expert who has given even qualified support for its authenticity.
ML/NJ
You are saying that Frank Abignale isn’t an expert in forgery???
Really???