She found it very funny and entertaining to draw blood from suspects and arrestees.
If this is true, this is a very serious accusation. Torture in custody is more common is the US than many would care to admit. According to the Innocence Project, at least 25 % of innocents enter a guilty plea, partly due to torture.
From threats to torture
Sometimes law enforcement use harsh interrogation tactics with uncooperative suspects. But some police officers, convinced of a suspect’s guilt, occasionally use tactics so persuasive that an innocent person feels compelled to confess. Some suspects have confessed to avoid physical harm or discomfort. Others are told they will be convicted with or without a confession, and that their sentence will be more lenient if they confess. Some are told a confession is the only way to avoid the death penalty.
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