Human Rights Watch found that people in many exposed communities fear reprisals from large landowners. Members of five of the seven rural communities Human Rights Watch visited said they had received threats or were afraid of retaliation if they reported pesticide drift that they believed poisoned them. In 2010, a farmer who was an anti-pesticide activist was shot and killed after pushing the local government to ban aerial spraying that year.
https://www.hrw.org/news/2018/07/20/brazil-pesticide-poisonings-rural-areas
