Abby Singer and her boyfriend are the partners of the murder victim Carly Victor and her husband.

Abby was found in the trunk of her car; the apparent victim of a robbery that saw Carly stabbed to death. However, as the investigation revealed, Abby had found out that that her boyfriend was having an affair with Carly, and in a fit of rage, Abby turned heel and killed Carly during their drive. She dumped Carly's body in a stone house and drove her own car in a ravine, after which Abby locked herself in the trunk to portray herself as an innocent crash survivor rather than a scorned murderess.

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