Read the following and make your own decision

The following Statutory Declaration by Gary Simmons explains how a Mr Baden Pobjoy changed his story about Harold Holt not being on the beach on 17th Dec 1967, the day when Holt was reported missing. Was Pobjoy threatened, or was he paid off in some way for him to deny what he had originally said to Gary Simmons about Holt not being on the beach that day?