CeCe Moore's journey into genetic genealogy began with a passion for family history, leading her to explore Y-chromosome and mitochondrial DNA testing. Initially focused on deep ancestry, this early work laid the groundwork for understanding DNA's potential beyond personal family trees, eventually paving the way for its application in law enforcement investigations.

Impact: Medium. This foundational exploration of DNA testing methods, even in their limited early forms, was crucial for developing the expertise and understanding that would later be applied to solving complex criminal cases.

In the source video, this keypoint occurs from 00:04:48 to 00:12:41.

Sources in support: CeCe Moore (Genetic Genealogist)