A federal lawsuit has been filed against an off-duty police officer and school security guard, Shawn Guetschow, for allegedly using excessive force against a 12-year-old girl during a fight at a Wisconsin middle school. The lawsuit claims that Guetschow used an illegal chokehold on the girl, causing lasting injuries and violating her constitutional rights. The family is seeking damages for the physical and emotional harm caused by the incident, as well as punitive damages for Guetschow's alleged misconduct.