Log Category of Documents: Item #1: Envelope, reads, "From: Hoang An to: Hoang Van Man living in Núi Đất Hamlet, Cao Nhân Village, Thủy Nguyên District, Hai Phòng Province. Item #2: Personal Letter, dated 20 Oct 67, from Hoang An to his parents in NVN"
Coordinate N/A
Keywords People Hoang An, Hoang Van Man
Keywords Location Núi Đất Hamlet, Cao Nhân Village, Thủy Nguyên District, Hai Phòng Province, Ba Ria
Keywords Objects Letter
Summarize Personal letter revealing recent infiltration into SVN.