{"meta":{"exportedAt":"2026-09-30T04:42:50.578Z","formatVersion":2,"selection":{"q":"libertyville","system":"","harm":"","context":"","country":"","role":"","relation":"","evidence":"","year":"","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":1,"coverage":{"cases":1,"countries":1,"languages":2,"unknownLocation":0,"locationPending":0,"unknownLanguage":0,"unknownDate":0,"lawsuits":0,"regulatory":0,"minors":1,"coreRelations":1,"contextualRelations":0,"mixedRelations":0,"unknownRelations":0,"relationPending":0,"relationUnknown":0},"countingNote":"Distinct public cases in this selection. People counts apply within individual cases only; cross-case person overlap has not been resolved. No population incidence estimate.","affectedCountNote":"Interpret person counts with affectedCountStatus and the reported effects. Unquantified zeros are placeholders, not a measured zero.","source":"AI incidents","publisher":"NOPE","url":"https://nope.net/incidents","license":"CC BY 4.0"},"incidents":[{"id":"2026-libertyville-teacher-ai-csam","caseFacts":{"claims":[{"id":"c1","status":"reported","evidence":[{"locator":"'was taken into custody Friday on eight counts of Child Pornography following a lengthy investigation that started in June, officials said.'; 'students reported to school staff that they believed their teacher was video recording students.'; 'A forensic examination by the Lake County State's Attorney's Office Cyber Lab revealed numerous images of students that had been altered using AI to create explicit images, officials said.'; 'two of the child pornography charges against Sheffer are class X felonies, while six counts are Class 1 felonies.'","relation":"supports","source_id":"s1"},{"locator":"'authorities alleging he created \"illicit\" images by using an AI program to digitally place the heads of students on the bodies of other people, according to the Lake County State's Attorney's Office.'; 'was arrested on eight felony counts.'","relation":"supports","source_id":"s6"},{"locator":"'Officials said he took photos and videos of current and former students and then used generative AI to alter them into pornographic images.'","relation":"supports","source_id":"s5"},{"locator":"'A Libertyville middle school teacher has been arrested and charged with possession and/or creation of child pornography, police and the Lake County State's Attorney's Office said Friday.'","relation":"supports","source_id":"s3"},{"locator":"'now faces eight felony counts of child pornography following his arrest Friday, according to the Lake County State's Attorney's Office.'; 'detectives executed additional search warrants at Sheffer's residence and recovered multiple electronic devices.'","relation":"supports","source_id":"s2"}],"assertion":"On 3 July 2026 Libertyville police and the Lake County State's Attorney announced that a 44-year-old Highland Middle School social studies teacher had been taken into custody on eight counts of child pornography (two Class X and six Class 1 felonies); the investigation began after students reported they believed he was video-recording students, a forensic examination of his phone found numerous images of students altered using AI to create explicit images, and further explicit child images were seized from devices at his home with electronic-storage-detection dogs; the State's Attorney's Office described the method as using an AI program to place students' heads on other people's bodies.","causal_attribution":"Police and State's Attorney statements reported by six outlets from the same release chain (one independence group), so recorded as reported."},{"id":"c2","status":"reported","evidence":[{"locator":"'\"On the second to last day of the school year... several students reported concerns to school leaders regarding inappropriate photos/videos allegedly taken by Mr. Sheffer that afternoon in his classroom.\"'; '\"Mr. Sheffer was immediately removed from the classroom and placed on administrative leave that day,\" the statement continued.'","relation":"supports","source_id":"s5"},{"locator":"'noting the district became aware of the accusations on the second to last day of school, June 3.'; '\"Mr. Sheffer was immediately removed from the classroom and placed on administrative leave that day,\" she wrote.'; 'Sheffer, who taught at Highland Middle School in Libertyville for 18 years'","relation":"supports","source_id":"s4"},{"locator":"'Jenkins said in a letter to District 70 parents obtained Friday by the Lake & McHenry County Scanner that Sheffer was a social studies teacher with the district for 18 years.'; 'the investigation followed the district's immediate outreach to the police on the second-to-last day of school on June 3.'","relation":"supports","source_id":"s1"},{"locator":"'The charges include allegations that some of the photos showed girls who Sheffer knew, or should have known, were under the age of 13 years old, according to court documents provided to Patch.'; 'During a detention hearing on Monday, a Lake County judge ordered Sheffer remain detained as court proceedings move forward, according to online court records.'; 'Sheffer is next expected in court on July 30 for a preliminary hearing.'","relation":"supports","source_id":"s2"}],"assertion":"The district says several students reported concerns to school leaders on 3 June 2026, the second-to-last day of school, about inappropriate photos or videos allegedly taken by the teacher that afternoon in his classroom; he was immediately removed from the classroom and placed on administrative leave that day, the police were contacted, and the district also contacted DCFS; he had worked for District 70 for 18 years; court documents allege some images showed girls he knew or should have known were under 13; a Lake County judge ordered him detained on 6 July 2026 with a preliminary hearing set for 30 July.","causal_attribution":"The district statement and letter (CBS Chicago, Daily Herald, Scanner) and court documents and records (Patch); the outcome of the 30 July hearing was not found."}],"effects":[{"label":"middle-school students' images were allegedly altered with AI into explicit material by their teacher; eight child-pornography counts filed and the accused detained","claim_id":"c1","direction":"negative"}],"sources":[{"id":"s1","url":"https://www.lakemchenryscanner.com/2026/07/03/libertyville-middle-school-teacher-charged-with-videotaping-students-using-ai-to-create-explicit-images/","kind":"news_report","access":"read","language":"en","translation_note":"Read live on 2026-09-26 (Lake & McHenry County Scanner, 3 July 2026). Quotes the police/State's Attorney release and the district superintendent's letter to parents obtained by the outlet.","independence_group":"police-sa-release"},{"id":"s2","url":"https://patch.com/illinois/grayslake/teacher-accused-secretly-recording-students-creating-ai-generated-explicit-images","kind":"news_report","access":"read","language":"en","translation_note":"Read live on 2026-09-26 (Patch Grayslake, 6 July 2026). Adds court documents (girls under 13 allegation), the detention hearing and the 30 July preliminary hearing from online court records.","independence_group":"police-sa-release"},{"id":"s3","url":"https://abc7chicago.com/post/libertyville-middle-school-teacher-matthew-sheffer-accused-using-ai-create-explicit-images-students-child-porn-charges/19442819/","kind":"news_report","access":"read","language":"en","translation_note":"Read live on 2026-09-26 (ABC7 Chicago, published 3 July 2026, body dated Monday 6 July 2026 after a correction of the teacher's first name). Release quotes; administrative leave; support services for affected families.","independence_group":"police-sa-release"},{"id":"s4","url":"https://www.dailyherald.com/20260703/crime/authorities-libertyville-middle-school-teacher-created-ai-child-sex-abuse-materials/","kind":"news_report","access":"read","language":"en-US","translation_note":"Read on 2026-09-26 from an Internet Archive capture (Daily Herald, 3 July 2026), decoded from the gzip-encoded body after the second-researcher check. Release quotes and the superintendent's letter: removed from the classroom and placed on leave on 3 June, resources for students, policy review on staff use of personal technology.","independence_group":"police-sa-release"},{"id":"s5","url":"https://www.cbsnews.com/chicago/news/libertyville-middle-school-teacher-charged-ai-students-child-pornography/","kind":"news_report","access":"read","language":"en-US","translation_note":"Read on 2026-09-26 from an Internet Archive capture (CBS News Chicago, 3 July 2026), decoded after the second-researcher check. Officials' description (photos and videos of current and former students altered with generative AI) and the district statement dating the alleged recordings to the afternoon of the second-to-last day of school.","independence_group":"police-sa-release"},{"id":"s6","url":"https://www.chicagotribune.com/2026/07/03/libertyville-teacher-child-porn-charges/","kind":"news_report","access":"read","language":"en-US","translation_note":"Read on 2026-09-26 from an Internet Archive capture (Chicago Tribune, 3 July 2026), decoded after the second-researcher check. State's Attorney's description of the AI method (students' heads on other people's bodies), prosecutors' intention to seek detention, the district letter, the DCFS contact and the policy review on video recording.","independence_group":"police-sa-release"}],"version":1,"ai_roles":["others_use"],"contexts":["education","privacy","justice"],"unknowns":["How many students appear in the altered images and whether the material was shared beyond the accused's devices.","The outcome of the 30 July 2026 preliminary hearing and the case's current status; any plea or trial date.","The software used; authorities describe an AI program placing students' heads on other bodies but do not identify it.","When the photos and videos were taken beyond the afternoon of 3 June 2026 described in the district statement; the release refers to videos taken in class without dates.","The accused's plea; officials initially gave a different first name, corrected in later copy."],"geography":{"basis":"The school is Highland Middle School in Libertyville, Illinois (Scanner, Patch); the students are its current and former pupils; the charges are in Lake County Circuit Court, Illinois (Patch).","court_countries":["US"],"event_countries":["US"],"affected_person_countries":["US"]},"publication":{"basis":"Restored under the 2026-09-15 charter as a depicted-minor case with criminal charges announced by police and the State's Attorney and reported by six outlets from one release chain, one adding court records and two the State's Attorney's and district's descriptions; allegations are charges awaiting trial and are recorded as reported. The original ID and first-publication timestamp are preserved; the teacher and the students are not named in the public record.","reviewed_on":"2026-09-26"},"ai_involvement":{"basis":"The Libertyville Police and Lake County State's Attorney release says the forensic examination found images of students 'altered using AI to create explicit images' (Scanner wording; ABC7 and Patch paraphrase); the State's Attorney's Office told the Chicago Tribune an AI program was used to place students' heads on other people's bodies, and CBS Chicago reports officials describing generative AI alteration of photos and videos. These are charging statements, not court findings; the software is not identified.","status":"reported"},"person_relations":["depicted_or_impersonated"]},"name":"Libertyville, Illinois: a Highland Middle School social studies teacher was charged on 3 July 2026 with eight counts of child pornography after students reported he was recording them in class and a forensic examination found images of students altered with AI into explicit images; ordered detained on 6 July","summary":"A 44-year-old social studies teacher who had worked for Libertyville School District 70 for 18 years was taken into custody on 3 July 2026 on eight counts of child pornography (two Class X and six Class 1 felonies), Libertyville police and the Lake County State's Attorney's Office announced. The investigation began on 3 June 2026, the second-to-last day of the school year, after several students told school leaders that afternoon that the teacher had taken inappropriate photos or videos of them in his classroom; the district says it immediately removed him from the classroom, placed him on administrative leave and contacted the police. A forensic examination of his phone by the State's Attorney's Cyber Lab found numerous images of students that had been altered using artificial intelligence to create explicit images, and search warrants at his home, assisted by electronic-storage-detection dogs, recovered further devices and explicit child images; the State's Attorney's Office told the Chicago Tribune that an AI program was used to place students' heads on other people's bodies, and CBS Chicago reported that officials said he took photos and videos of current and former students. Court documents reported by Patch say some images depicted girls he knew or should have known were under 13. At a detention hearing on 6 July a Lake County judge ordered him held pending proceedings, with a preliminary hearing set for 30 July 2026; no later development was found. The district superintendent told parents that supporting students' well-being was the immediate focus and that resources were being made available; authorities said they would keep affected families informed and connect them with support services. Officials initially gave a different first name for the teacher, corrected in later copy; he is not named here.","incidentDate":"2026-06-03","incidentKind":"bounded_series","incidentDatePrecision":"day","exposurePattern":"unknown","reportedDate":"2026-07-03","aiSystem":"Generative AI image-alteration software (unidentified) that police say was used to alter recordings of students into explicit images","aiProduct":"Unidentified image tool","severity":"high","verificationStatus":"credible","harmCategories":[],"harmOutcomes":["exploitation_or_abuse"],"harmOutcomeSummary":"Photos and videos of middle-school students were allegedly altered with AI into explicit images by their teacher (police and State's Attorney statements via the Lake & McHenry County Scanner, ABC7, Patch, the Daily Herald, CBS Chicago and the Chicago Tribune); the district says supporting students' well-being is its immediate focus and authorities say they are connecting affected families with support services. The allegations are charges awaiting trial.","frameworkFacets":[],"causationStatus":"alleged","participantUsersAffectedMin":0,"otherPeopleHarmedMin":0,"affectedCountStatus":"unquantified","affectedCountEvidence":"'Numerous images of students' (release) and 'current and former students' (CBS Chicago reporting officials) are given without a number; images are not counted as people. Unquantified.","victimAgeRange":"minor","jurisdiction":"US-IL","platformType":"other","outcomeType":"criminal_charges","outcomeStatus":"ongoing","primarySourceUrl":"https://www.lakemchenryscanner.com/2026/07/03/libertyville-middle-school-teacher-charged-with-videotaping-students-using-ai-to-create-explicit-images/","primarySourceLabel":"Lake & McHenry County Scanner, 3 July 2026: Libertyville middle school teacher charged with videotaping students, using AI to create explicit images","firstPublishedAt":"2026-07-06T02:45:01.237307+00:00","updatedAt":"2026-09-30T01:17:44.243006+00:00","scopeVersion":"facts-v3","tags":["csam","deepfake","minor","school","teacher","criminal-charges","illinois","libertyville","depicted-or-impersonated","restored"]}]}