The claim that the 10-15% figure undercounts female serial killers due to historical bias lacks robust evidence. While Kelleher & Kelleher (1998) is cited, independent verification of their methodology or findings isn’t provided in the referenced search results. Some sources, like a Facebook post questioning overcounting in other cases, hint at measurement inconsistencies, but these aren’t directly relevant. A CliffsNotes excerpt notes that “women are rarely involved in multiple murders,” which contradicts the idea of significant undercounting. Without direct access to the original study or peer-reviewed corroboration, the assertion remains speculative.

Did Kelleher & Kelleher address potential biases in their analysis, or was their 10-15% figure based on incomplete data? Are there later studies that challenge or confirm this statistic? The absence of clear evidence raises questions about whether the figure reflects reality or systemic reporting gaps.

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