ROCHESTER, Minn. – A Rochester man using a hard-to-track Tor browser was charged with having a collection of pornographic images of children on a USB storage device. Charged was Kevin James Hammell, 58. Police said they were tipped by Photoshop manufacturer Adobe that Hammell subscribed to a child-porn site. When confronted, Hammell first claimed he happened to stumble across the images, police said. His USB had stored 20 images suspect images of girls 8 fo 10, according to the criminal complaint.