The Marshals Service used gravitational wave technology to collect images . In a letter to the center , Justice Department attorneys agreed to give 100 images of the approximately 35,314 images that were stored on the Orlando courthouse machine from February 2 until July 28 . The images were of people entering a federal courthouse in Miami , Florida . A copy of the ghost - like images was obtained under the Freedom of Information Act . The Marshals Service says the images were never accessed before the request .
The Marshals Service used gravitational wave technology to collect images . The images were of people entering a federal courthouse in Miami , Florida . A copy of the ghost - like images was obtained under the Freedom of Information Act . The Marshals Service says the images were never accessed before the request .