"Whoever betrays the country will pay the price, I assure you," Rwanda's President Paul Kagame told a rally soon after the country's former intelligence chief, Patrick Karegeya, was found strangled in a South African hotel room last January. Karegeya had quit the government and become a leading opponent of the regime, which President Kagame would see as a betrayal of the country.
It's not unusual for dictators to see their own interests and those of the country they rule as one and the same thing. It's not even uncommon for dictators to have people killed. What's really rare is a dictator who has had quite a lot of people killed, but is congratulated by other countries for his excellent administration and showered with foreign aid. That is the happy lot of President Paul Kagame.
Fewer than half of Rwanda's 12 million people have personal memories of the terrible genocide 20 years ago, but the country as a whole is still haunted by it. Kagame has ruled Rwanda for all of that time, and is convinced only he can stop it from happening again. It's only a small step from there to believing he has the duty to maintain his rule by any means, including even murder.
All the murders are officially denied, but nobody believes it. Last week four not very competent assassins, one Rwandan and three Tanzanians, were found guilty by a South African court of trying to kill the former Rwandan army chief of staff, Faustin Kayumba Nyamwasa, in Johannesburg in 2010. They shot him in the stomach, but he survived after months in intensive care - and they didn't get away.
Last March, when South African Justice Minister Jeff Radebe warned Rwanda to stop after another attempt on Nyamwasa's life, the two countries went through a ritual round of tit-for-tat expulsions of diplomats. Once a year is enough, but at least South Africa complains occasionally. Most other African countries look the other way when Kagame's hit squads turn up, people like Tony Blair accept lifts in his private jet, and the aid agencies don't even flinch.