The Communists, naturally, sided with Sihanouk. In early 1962, Communist propaganda berated South Vietnam for "provoking its neutral neighbor." By the middle of the year, Viet Cong units were fighting the Khmer Serai. A captured document indicated that during this period, and at least through 1967, the Viet Cong were "providing intelligence to Cambodia, and helping it intercept the schemes" of the US and Vietnam against the Sihanouk government