206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
Sierra Robinson-Biddix, a 15-year-old girl, was last seen on April 19, 2025, in West Palm Beach, Florida. She is described as being between 5 feet and 5 feet 2 inches tall, weighing approximately 165 pounds, with black hair and brown eyes. On the day of her disappearance, she was reportedly wearing all black. Sierra's case has been registered with the West Palm Beach Police Department, and the NamUs database lists her as a missing person under case number MP142342.
The circumstances sur ...Read More
Last Seen: Apr 19, 2025
The circumstances sur ...Read More
Last Seen: Apr 19, 2025
Links to Additional Sources (1)
See any mistakes?Victim Details
Apr 20, 2025
Apr 22, 2025
Sierra
Robinson-biddix
15
15
60 inches
62 inches
165 lbs
Black / African American
Female
Apr 19, 2025
West Palm Beach
Florida
Palm Beach County
West Palm Beach
No
150
167335
West Palm Beach Police Department
West Palm Beach
Florida
Palm Beach County
33401
600 Banyan Blvd, Florida
5618221900
Local
Law Enforcement
2025-0006031
2025-04-20
West Palm Beach Police Department
Black
Brown
Brown
11/05/2025
Area Last Seen:
Forum Posts (2)
Has anyone else been following the Sierra Robinson-Biddix case? I've been browsing through some disc... ...Read More
05/06/2025
05/06/2025
I’ve been following Sierra’s case closely and something has been on my mind. Has anyone looked i... ...Read More
05/06/2025
05/06/2025
