Colin Legum’s scientific contributions

... From the time Banda came to power he demonstrated that he was also no ally of southern Africa's radical anti-colonial organisations, imposing tight restrictions on the activities that Mozambique's Frelimo rebels were able to carry out within the country. Then from 1965 the Portuguese secret services used Malawi as a base for operations against Frelimo, and co-operated with South African agents in the training of Malawi's police, army, special branch and the pro-government paramilitary force the Malawi Young Pioneers (Hedges, 1989;Moorcraft, 1990;Vines, 1996 ', 1977;Hanlon, 1986). South Africa had thus developed significant influence with President Banda and lasting contacts with Malawi's security services. ...

Reference:

Defense, Ideology or Ambition: An Assessment of Malawian Motivations for Intervention in the Mozambican Civil War