 Unknown to him, he was brought instead to the headquarters of the Presidential Security Command within Malacanang compounds.There, he was accused of conspiring with Sergio Osmeña III of attempting to assassinate Marcos.Osmeña, fondly called Serge, was the son of then Senator Sergio Osmeña Jr., a political rival of Marcos in 1969 elections and a grandson of former President Sergio Osmeña.