[1] During the Rhodesian Bush War, he served on the ZANU high command, or Dare reChimurenga as Treasurer (dura remusangano).
At the Imbovane YaMhlabezulu meeting held in Bulawayo on 26 February 1998, Nkala, who was a guest speaker alongside Joseph Msika (National Chairman of ZANU-PF), repeatedly denied involvement in Gukurahundi.
While serving as Zimbabwe's Home Affairs Minister, Nkala rejected allegations by Amnesty International, the London-based human rights organisation, which had reported beatings, electric shocks and other torture at government detention camps after the July 2006 general election.
[5] Nkala claimed to have written a book chronicling ZANU-PF since its formation, including the Gukurahundi massacre and the assassinations of high-profile politicians using car accidents.
On 21 April 2008, following the March 2008 presidential election, Nkala urged his "colleagues to let President Mugabe retire with dignity".