Roberta Sim was a woman married to Marshall Sim and had an adopted daughter Emily Christine Sim.

After Sim and her husband adopted Emily, they worked with Doctor Ernest Calderon who gave her treatment for a rare disease as part of a double-blind study. Sim did not like the treatments prescribed and filed paperwork to pull her from program, but her husband withdrew them later.

They were heard arguing loudly and a domestic violence report was filed. She was later killed by Syndicate operatives in a manner that looked like a suicide. (TXF: "Christmas Carol")

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