A person wanted for first-degree murder is believed to be a suspect in a Polk County missing persons investigation, according to the sheriff's office. Sheriff Grady Judd is expected to talk about the case involving Sierra Hernandez around 5 p.m. Monday. 10 Tampa Bay will stream his remarks live online and on the 10 Tampa Bay+ for streaming devices. The agency said in a statement that the sheriff will have an update on the investigation into Hernandez's disappearance. He, too, will talk about the ongoing search for a person's arrest for murder in a November 2023 homicide. A $10,000 reward is being offered to anyone who might have information leading to the suspect's arrest through Heartline Crime Stoppers. MORE: https://www.wtsp.com/article/news/local/polkcounty/sheriff-judd-reveals-link-murder-suspect-polk-county-missing-persons-sierra-hernandez/67-ff061ad1-32d3-48c1-826a-e745f6aa7de3