Fatal Attraction: Nineteen Years in a Freezer — Ep. 2 | MK Confidential on Sherri Rasmussen

1. The Elusive Bite Mark Swab

Timestamp: 00:00:01 to 00:07:03 - watch this moment on skim

In 2004, criminalist Jennifer Francis took on the cold case of Sherri Rasmussen and discovered a critical piece of evidence, a bite mark swab collected in 1986, was missing from all official logs. Despite extensive searches by the LAPD and Coroner's office, the swab could not be located, highlighting a significant gap in evidence management. The search for this swab became a central challenge in re-examining the case, underscoring the fragility of evidence over time. The swab's disappearance represented a near-fatal blow to any potential DNA-based investigation.

Significance (High): This discovery immediately signaled the immense challenges in prosecuting the case, as the most promising piece of physical evidence was lost.

Sources in support: Jennifer Francis (Criminalist), Cliff Shepard (Cold Case Detective)

Neutral sources: Lyall Mayer (Detective), Lloyd Mahaney (Senior Criminalist (Coroner's Office))

2. The Burglary Theory and its Flaws

Timestamp: 00:09:03 to 00:14:03 - watch this moment on skim

Early in the investigation, Detective Lyall Mayer connected Sherri Rasmussen's murder to a similar burglary that occurred nearby shortly after. This led to a prevailing theory of a male-female burglary team. However, this theory began to unravel as evidence emerged, particularly the DNA from the bite mark swab. The initial focus on burglary, while understandable given the scene, ultimately diverted attention from potential personal motives and suspects.

Significance (Medium): The burglary theory, though plausible at the time, ultimately proved to be a red herring that delayed the identification of the true perpetrator.

Sources in support: Lyall Mayer (Detective), Cliff Shepard (Cold Case Detective)

Sources against: Jennifer Francis (Criminalist)

3. The Critical DNA Revelation

Timestamp: 00:20:06 to 00:25:07 - watch this moment on skim

In January 2005, Jennifer Francis successfully analyzed the bite mark swab, revealing DNA that did not match Sherri Rasmussen. This groundbreaking discovery indicated that a woman, not a man or the previously suspected burglars, had bitten Sherri. This finding fundamentally shifted the investigation, pointing towards a personal motive and a female suspect, moving away from the burglary theory. The DNA profile, though initially puzzling, provided the first concrete lead in years.

Significance (High): The DNA match provided the first definitive clue in nearly 19 years, redirecting the investigation and ultimately leading to the identification of the killer.

Sources in support: Jennifer Francis (Criminalist)

Neutral sources: Cliff Shepard (Cold Case Detective), Jim Nutall (Homicide Detective)

4. John Rutton's Revelation: Stephanie Lazarus

Timestamp: 00:31:12 to 00:32:03 - watch this moment on skim

Following the DNA breakthrough, Detective Nutall interviewed Sherri Rasmussen's ex-boyfriend, John Rutton. Rutton identified Stephanie Lazarus as a woman Sherri had a past problem with. Further investigation revealed that Lazarus was not only a former romantic interest of Rutton's but also an active detective within the LAPD, a fact that immediately complicated the investigation.

Significance (High): This identification introduced a shocking twist, shifting the focus to a suspect who was part of the law enforcement community, raising immediate concerns about professional conflicts and the integrity of the investigation.

Sources in support: Lyall Mayer (Detective), Jennifer Francis (Criminalist), Jim Nutall (Homicide Detective)

Neutral sources: Lloyd Mahaney (Senior Criminalist (Coroner's Office))

Lost Evidence and Bureaucratic Inertia (High severity)

Type: Professional

Critical evidence, including a bite mark swab, was lost or mishandled by the LAPD and Coroner's office over nearly two decades, severely impeding the investigation.

Significance: This systemic failure to preserve and track evidence raises profound questions about the integrity of the justice system and the resources allocated to solving violent crimes. The audience is left to wonder how many other cases have been compromised by such negligence.

Victim's Family's Financial Offer Rejected (Medium severity)

Type: Financial

The victim's father offered to pay for DNA testing, but this offer was rejected by Detective Fisk, citing a lack of suspect and budget constraints.

Significance: The rejection of the family's offer to fund crucial DNA analysis, despite the LAPD's stated budget limitations, suggests a potential unwillingness to pursue leads aggressively. This raises concerns about whether financial barriers were used as an excuse to avoid further investigation.

Suspect is a Fellow Officer (High severity)

Type: Professional

The primary suspect, Stephanie Lazarus, is an active detective within the LAPD, the same department investigating the murder. This creates a significant professional conflict for the investigators.

Significance: This internal conflict raises immediate questions about potential bias, obstruction, or compromised evidence. Can investigators remain objective when the suspect is one of their own? The integrity of the entire investigation hinges on navigating this delicate professional boundary.