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say this 5 times fast-- ethylene diamine tetra acetic.
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EDTA. It's an anti-coagulant.
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Used mostly to treat heart conditions.
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So the unsub probably used it to thin the blood.
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The ketamine we found may have helped as well.
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In humans, it tends to elevate blood pressure.
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Which is how he's sedating them.
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If he knew that he was giving these drugs to these victims
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and he ingested the blood?
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He'd be dosing himself as well.
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Well, that rules out vampirism.
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Is there any chance this guy works in the medical field?