Why the special troops "Alpha" did not arrest Boris Yeltsin in August, 1991

Karpukhin Victor was the commander of Alfa group since 1988. During August events of 1991 on Karpukhin Victor and his fighters one of the main tasks was assigned: The chairman of KGB Kryuchkov Vladimir charged to "Alpha" to arrest Boris Yeltsin. However, as we know, this order was not executed. "Alpha" in Arkhangelsk As Boltunov Mikhail fairly noticed, the author "Gold stars of "Alpha", about division "And" and its roles in August events of 1991 just right would be to write the book under the name "Gossips about Alfa group. Karpukhin Victor and his subordinates those days still...