Chilling video footage revealed a psychologist Fabiana Vera s last moment alive before she was murdered by her friend s ex-husband at her home in Rio Grande do Norte, Brazil on Tuesday.
Police say they have found human matter in the river during their search, and this is being sent to the Amazonian city of Manaus to be tested. Blood found in a boat earlier this week is also being analysed.
A man who was arrested following the disappearance of a freelance British journalist and an Indigenous expert in the Amazon rainforest will be held for 30 days in temporary custody.