Overview
- The Hessian Justice Ministry reported that 147 people were wearing electronic ankle monitors on 30 June 2026, with 128 under post-release supervisory orders.
- The national operations hub, the Gemeinsame elektronische Überwachungsstelle der Länder (GÜL) in Südhessen, handled about 25,700 device reports in 2025 and routed cases for follow-up.
- Only a small share of device events triggered police action in 2025, with 1.5 percent of professionally reviewed reports resulting in a police deployment.
- Use of monitors spans three legal bases: Führungsaufsicht for released high‑risk offenders, Länderpolizeigesetze for preventive orders affecting 18 people, and one case under the Aufenthaltsgesetz for an immigration-related subject.
- There is no cross‑state statistic on violations of monitor rules, and authorities warn that the planned Gewaltschutzgesetz measures and the delayed rollout of the victim-alert ‘Spanish’ system will increase monitoring needs and staffing pressures.