"The thwarted assassination attempt was never made public.
"It remained top secret except to select members of the US intelligence community."
At the time, there were media reports about the discovery of two bombs, one at Manila airport and another at the venue for the leaders' meeting.
However, they were linked to a communist insurgency in the Philippines rather than as an external attempt to kill the US president.
A spokesman for the Secret Service refused to comment on Prof Gorman's allegations.
Eto yung sabi dun sa report... The assassination attempt was never made public daw... Pero bakit kaya...