"On 26 September, the prominent scientific journal Critical Reviews in Toxicology issued an “expression of concern”, saying that its published research finding glyphosate to be safe had not fully declared Monsanto’s involvement. The high-profile correction came after litigation revealed that the company was involved in organizing and editing article drafts."

If glyphosate is as safe as pure water, why would Monsanto ever want to meddle with those drafts?

https://www.theguardian.com/science/2018/oct/07/monsanto-trial-cancer-appeal-glyphosate-chemical