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221 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
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In the quiet city of Columbia, Tennessee, the life of a young woman, Clarissa Dyonna Maria Hernandez Keiser, was tragically cut short. At the age of 20, the Hispanic female, known for her artistic spirit and love for her family, became the victim of a violent encounter that would leave a community in mourning and a family shattered. Her death on March 9, 2021, marked a sudden and brutal end to a life that was just beginning to unfold.

On that Tuesday evening, events escalated at Clarissa' ...Read More
Victim Details

Clarissa Dyonna Maria Hernandez Keiser

Female

Hispanic / Latino

Columbia

TN

2021-03-09

20

Clarissa

Dyonna Maria Hernandez

01/04/2026