Sharai Mawere, 43, a market stall owner, was making love to her boyfriend at a secluded spot in the bush near the northern town of Kariba when the lioness struck last Tuesday.
Her lover escaped and alerted armed rangers who fired shots to scare the animal away, but it was too late for Mawere. She died at the scene.
Later that day, the head and pelvis of Mashunjeni Jakiel, 77, were found near a Kariba suburb. He had been missing since the weekend.
With fears growing that the lions had acquired a taste for human flesh and would kill again, vets in Harare said they should be darted and moved to a wildlife sanctuary.
Instead, they were shot by wardens from the Department of Parks and Wildlife Authority and a professional hunter.
Johnny Rodriques from the Zimbabwe Conservation Task Force said the female lioness had a wound from a snare around her neck, and had only started attacking humans because poachers had decimated stocks of other animals around Zimbabwe's vast Lake Kariba.
He said the three lions looking for food in an arid area close to a town was "an accident waiting to happen".
"The lioness was wounded, there was no food for her to eat so she and her cubs were a danger, and we should have been able to dart them and transfer them across the dam to a protected area," he said. More....