Gizmodo: “In May 2016, a student enrolled in a high-school in Shelbyville, Texas, consented to having his phone searched by one of the district’s school resource officers. Looking for evidence of a romantic relationship between the student and a teacher, the officer plugged the phone into a Cellebrite UFED to recover deleted messages from the phone. According to the arrest affidavit, investigators discovered the student and teacher frequently messaged each other, “I love you.” Two days later, the teacher was booked into the county jail for sexual assault of a child. The Cellebrite used to gather evidence in that case was owned and operated by the Shelby County Sheriff’s Office. But these invasive phone-cracking tools are not only being purchased by police departments. Public documents reviewed by Gizmodo indicate that school districts have been quietly purchasing these surveillance tools of their own for years…While companies like Cellebrite have partnered with federal and local police for years, that the controversial equipment is also available for school district employees to search students’ personal devices has gone relatively unnoticed—and serves as a frightening reminder of how technology originally developed for use by the military or intelligence services, ranging from blast-armored trucks designed for use in war zones to invasive surveillance tools, keeps trickling down to domestic police and even the institutions where our kids go to learn…”