to come out /kʌm aʊt/ /kʌm aʊt/
to emerge /ɪˈmɜrʤ/ /ɪˈmɜːʤ/
to leak /liːk/ /liːk/
to be revealed
to be disclosed
to become known
to appear /əˈpɪr/ /əˈpɪə/