Her sudden death first circulated on social media at around 9 p.m., Tuesday, with a message calling on members of the public to help arrest her alleged killer, a one Antoine Nyireba, a 23-year-old shamba boy who worked at their home.
Modeste Mbabazi, the spokesperson of Rwanda Investigation Bureau, confirmed the sad news but could not share further details only saying they were following up on the case.
Mupende was the General Manager of Waka Fitness, a popular fitness centre in Kigali.
Preliminary reports showed that Mupende succumbed to her injuries following stabbing by the domestic worker.
It also emerged that Mupende was set to get married next month and her wedding invitations had been released.
According to the New Times, she will be remembered for, among other things, showcasing Rwanda’s clothing brands on the international scene.