From Round Rock you'd likely go IH35 to 195 on the north side of Georgetown, and then 195 to Killeen. If you're working normal hours you'd be going against the traffic for a good deal of that.
After analysis, unknown prints are compared alongside the known prints. The unknown print is the print found at the crime scene, and the known print is the print of a possible suspect. First, the class characteristics are compared.
Biological evidence left behind at a crime scene could be matched to the person who committed the crime. Blood, semen, saliva, hair roots, or bone--any material containing nucleated cells--could provide a tissue sample. However, a method for obtaining the fingerprint needed to be found.