Here is an article from the Columbia Spectator of his near-alma mater (he was unable to complete his PhD because of political pressure from the Afghan monarchy you would think if he was a US agent he would have been protected) refuting some of the mountain of lies about him.
http://spectatorarchive.library.columbia.edu/cgi-bin/columbia?a=d&d=cs19791108-01.2.18&e=-------en-20--1--txt-IN----- (PDF version at http://spectatorarchive.library.columbia.edu/cgi-bin/imageserver.pl?oid=cs19791108-01&getpdf=true)
All the President's Men
Hafizullah Amin, Afghanistan's new Chief of State, didn't seem "ruthless" to his American acquaintances, despite what newspapers say
In the American press, Hafizullah Amin, the new President of Afghanistan, has been labelled a zealous revolutionary, a Marxist strongman, an extremist among extremists. A hard-line Communist with a reputation for ruthlessness.
During his second stay in the United States, William Anderson recalls that Amin began to get involved in politics and became president of the Afghanistan Students Association in the United States. According to Anderson, who was then living in Kabul, Amin's political activities in the United States angered the Afghanistan government. As a result of pressure from Afghan authorities, Amin's visa was not renewed, and he was forced to return to Afghanistan before he could finish his Ph.D.
Instead, Amin became increasingly involved in political life in Afghanistan. He ran for office twice under the country's new liberal constitution and was elected to Afghanistan's parliament in 1965. During the same period, the People's Democratic Party of Afghanistan (Khalq) was founded by Noor Mohammad Taraki. Taraki, a former employee of the Afghan Mission in Washington and later a translator for the United States Embassy in Kabul, was the founder and editor of the party's newspaper and the nominal leader of the party. But, according to an article in last spring's issue by Columbia professor Zalmay Khalizad in ORBIS magazine, the most powerful figure in the Khalq party was Amin. Under the leadership of Amin and Taraki, Khalq drew its strength primarily from educators, teachers, intellectuals and sections of the military particularly in the Air Force. According to Khalilzad, Amin was responsable for the Khalq's ties with the military, a relationship which was critical both at the time of the Khalq's overthrow of the Daud regime in 1978 and at the time of Amin's ouster of Taraki in September 1979.
The Kalq Party first became a force in Afghanistan in 1973, when Mohammad Daud overthrew the regime of his brother-in-law King Zahair Shah. Promising reforms, Daud came to power with the strong support of the Khalq Party.
In the United States, those who oppose aid to the rebels point to the disorganized and reactionary nature of the opposition forces. They also point to the United States covert action program in Angola and note that a similar program in Afghanistan might cause a great many casulties among the native population— as the Angola program did — without appreciable undermining Soviet global influence.
Khalilzad has argued for limited American military and economic aid to the Afghan opposition in articles in The Washington Post, and the Wall Street Journal (under a pseudonym) and the scholarly journal ORBIS. But so far, the young Columbia professor does not think that Washington has initiated the type of program he recommends.
With or without American aid, the escalating rebelling against the Taraki government led to the showdown this past September between Taraki and Amin. The upshot of the confrontation, though details are still obscure, was the ouster and subsequent death of Taraki and the accesion of the fifty year old Amin to the Presidency of Afghanistan.
The American press quickly labelled Amin a "hard-line Communist . . . with a reputation for ruthlessness." One New York Times reporter noted that Amin has a bust of Lenin in his office and calls his friends "comrades."
Whatever Amin's exact ideology, Khalilzad thinks that the new President of Afghanistan is "a very energetic and hard-working fellow . . . much more effecient than Taraki." Khalilzad notes that Amin has strong support in the Afghan military, in the intelligence services, and in the Khalq party apparatus.
To date, it is unclear whether the United States has decided to intervene against the government of Afghanistan. But the evidence seems to indicate that the Carter Administration is leaning in that direction.
For instance, in a statement last August, Zbigniew Brzezinski indirectly warned the Soviets to curtail their involvement in Afghanistan. At the same time, Zbigniew Brzezinski stressed the Administration's intention to increase American military presence in the area. Ultimately, the continued success of the well-organized campaign to heighten American fears over an alleged Soviet threat may very well swing the administration toward an interventionist program in Afghanistan —if such a program isn't already underway.