Analysis Summary:

The article's factual accuracy is mixed, primarily due to the lack of provided verification sources. The core claim about the murder and the suspects' identities seems plausible based on general knowledge of crime reporting, but specific details remain unverified. The article exhibits moderate bias, presenting the situation as a "murder mystery" which can sensationalize the event.

Detailed Analysis:

• Claim 1:** Aileen Seiden was murdered.
• Verification Source: None provided.
• Analysis: Cannot be verified without external sources. Based on the title and snippet, it's the central premise. Plausible given CBS News' reputation, but unverified.
• Claim 2:** Zach Abell and Christina Aruajo were Aileen Seiden's romantic partners.
• Verification Source: None provided.
• Analysis: Cannot be verified without external sources. This is a key element of the story, establishing the "throuple" dynamic. Plausible given the context, but unverified.
• Claim 3:** Zach Abell and Christina Aruajo are suspects in Aileen Seiden's murder.
• Verification Source: None provided.
• Analysis: Cannot be verified without external sources. This is a crucial claim. Plausible given the context, but unverified.
• Claim 4:** Zach Abell claims Christina Aruajo is the killer.
• Verification Source: None provided.
• Analysis: Cannot be verified without external sources. This is a key element of the narrative. Plausible given the context, but unverified.
• Claim 5:** Christina Aruajo claims Zach Abell is the killer.
• Verification Source: None provided.
• Analysis: Cannot be verified without external sources. This is a key element of the narrative. Plausible given the context, but unverified.

Supporting Evidence/Contradictions:

• Due to the absence of verification sources, there is no supporting evidence or contradictions to analyze. My assessment relies on the general understanding that CBS News is a reputable news organization, which lends some initial credibility to the claims. However, without specific sources, the factual accuracy score remains moderate. The use of "murder mystery" in the title introduces a degree of sensationalism and thus bias.