Abraão José Bueno (born 30 November 1976) is a Brazilian nurse and serial killer.
[1] In 2005 Bueno, working in a children's ward, began injecting babies and older children with overdoses of sedatives, causing them to stop breathing.
In the course of one month up to fifteen children are thought to have been targeted, all between the ages of one and ten.
It is thought that Bueno committed his crimes so that he could be the first to notice a problem with a patient, thereby earning the respect and admiration of his co-workers.
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