206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description (SOLVED)
Any updates on this case?
Kassidy Maureen Siess, a 16-year-old from Jacksonville, Florida, was reported missing earlier this year after she was last seen in the local area. Law enforcement agencies quickly became involved, entering her case into official records and urging the public to assist in the search. Descriptions shared at the time noted that she is a white female, about 5 feet 5 inches tall, weighing approximately 200 pounds, with red or auburn hair and blue eyes.
When news of her disappearance spread, ...Read More
Last Seen: Mar 04, 2025
When news of her disappearance spread, ...Read More
Last Seen: Mar 04, 2025
Links to Additional Sources (0)
See any mistakes?Victim Details
Mar 06, 2025
Mar 06, 2025
Kassidy
Siess
16
16
65 inches
200 lbs
White / Caucasian
Female
Mar 04, 2025
Jacksonville
Florida
Duval County
Jacksonville
No
171
165248
Jacksonville Sheriff's Office
Jacksonville
Florida
Duval County
32202
501 East Bay Street, Florida
9046300500
County
Law Enforcement
25-131787
2025-03-05
Jacksonville Sheriff's Office
Red/Auburn
Blue
Blue
Yes
11/22/2025
Area Last Seen:







