North Vietnamese revolutionary Lê Đức Thọ took over from Ho Chi Minh after Ho's death. He was awarded the 1973 Nobel Peace Prize for his role in Paris Peace Accords, which officially ended US participation in Vietnam war. But he turned it down, saying peace was yet to prevail & that US & south Vietnam had violated the accords.
Abandoned In Place - “Abandoned in Place” provides a snapshot of the Vietnam POW/MIA issue. From the signing of the Paris Peace Accords, in January 1973, ending American involvement in the war in Southeast Asia to the "dysfunctional" POW/MIA accounting effort of 2014. With the period 1980 -1981 a clear line in the sand. As the U.S. government refocused its efforts from the rescue of surviving POWs to the recovery of remains.
The Bitter End - January 27, 1973 - The Paris Peace Accords are signed by the U.S., North Vietnam, South Vietnam and the Viet Cong. Under the terms, the U.S. agrees to immediately halt all military activities and withdraw all remaining military personnel within 60 days. The North Vietnamese agree to an immediate cease-fire and the release of all American POWs within 60 days.