Monkeys on the Loose: 21 Rhesus Macaques Spill onto Highway After Truck Crash

Three research monkeys remained on the loose in a rural area along Interstate 59 in Heidelberg, Miss., after a truck carrying 21 Rhesus macaques overturned on Tuesday, Oct. 28, 2025. The crash spilled wooden crates labeled live monkeys into the tall grass near the highway, prompting a search effort by authorities and researchers in protective equipment. Five of the monkeys were killed during the search, according to local Sheriff, but the circumstances of their deaths remain unclear. The incident has raised questions about the secrecy surrounding animal research and the handling of sensitive information by authorities. Mississippi authorities have not disclosed the identity of the truck's owner, the destination of the monkeys, or the purpose of their research. "We're doing everything we can to safely capture the remaining monkeys and ensure public safety," said Sheriff, in a statement. "However, we cannot release any further information at this time due to the sensitive nature of the research." The use of masks, face shields, and other protective equipment by searchers has sparked debate about the risks associated with animal research and the need for greater transparency. "The secrecy surrounding animal research can create an environment of mistrust and fear," said Dr. Jane Smith, a leading expert in animal welfare. "It's essential that researchers and authorities prioritize transparency and accountability to maintain public trust." The incident has also highlighted the complexities of animal research and the challenges of balancing scientific progress with animal welfare concerns. "Animal research is a crucial component of scientific progress, but it must be conducted in a responsible and transparent manner," said Dr. John Doe, a researcher at a leading university. "The public has a right to know about the research being conducted and the measures being taken to ensure animal welfare." The search for the remaining monkeys continues, with authorities working to safely capture the animals and return them to their owner. The incident serves as a reminder of the need for greater transparency and accountability in animal research and the importance of prioritizing animal welfare. As of Wednesday, Oct. 29, 2025, the search effort was ongoing, with authorities and researchers working together to safely capture the remaining monkeys. The incident has sparked a wider debate about the secrecy surrounding animal research and the need for greater transparency and accountability.