A mum and her baby have died after her estranged husband allegedly poisoned her food and the tot drank the toxins through her breast milk.
Josieli Lopes, 36, breast fed her son after eating meat which is claimed to have been poisoned by her estranged husband who plotted to kill her when he discovered she had a lover she was planning to move in with.
The estranged husband, who has not been named, was supposed to move out of their apartment in the seaside resort city of Itapema, Brazil, but he is said to have decided to kill her when he discovered her affair.
When the nursing mum collapsed with a "mystery illness" caused by the poison the 34-year-old is said to have offered to take her and the baby to hospital.
But instead he drove them to a remote jungle location and buried them both in the ground when he was sure they were dead.
The victims were reported missing on September 15 and he was arrested when he confessed to murdering them a week later.
Their bodies were then found buried in the wooded jungle in Rio dos Cedros, Santa Catarina, in southern Brazil, on September 22.
The suspected killer told police that he poisoned her with a piece of meat, but had not anticipated that this would then be transferred to the baby through her breast milk when she fed the child soon after, ND+ reports.
He cynically offered to help them by driving them to hospital, but instead drove them 72 miles (115km) into the jungle and buried them.
Under questioning, he had stressed that the child’s murder was accidental and later showed the cops where the bodies were buried.
Suspicions rose after the suspect sent messages to the victim’s family from her phone after the murder making mysterious comments about her moving to Rio Grande do Sul.
When the family tried to call her back she was no longer available.
Ms Lopes' teenage son raised the alarm after deciding that the message looked like it was written by someone else.
Chief of Police, Diogo Medeiros, said the suspect’s testimony was confusing and that there were gaps in his story during interrogation.
The investigation is ongoing.
