Overview
- Deputies responded after a Jacksonville man told them he threw a guitar case he believed might contain a bomb into Lake Millwood around 3 p.m. on Monday, November 9.
- The Hempstead County Office of Emergency Management, Arkansas State Police Bomb Squad, U.S. Army Corps of Engineers and Arkansas Game and Fish Commission carried out a coordinated shoreline and boat search that lasted two days.
- Investigators found disassembled computer parts and Wi‑Fi equipment inside the man’s vehicle and pliers and other tools in a nearby campsite fire ring, and an eyewitness said they saw the man toss a case into the water.
- After interviews and evidence review, the Hempstead County Sheriff’s Office announced on Tuesday, November 10, that no credible explosive device was located and the investigation is closed.
- Family members told investigators the man had a prior mental‑health episode and growing paranoia about people hacking his electronics, officials reiterated that threats to public infrastructure must be taken seriously and no arrests or follow‑up mental‑health actions were described in the report.