The Department Homeland Security is developing a system designed to apprehend you before you commit a crime. The Future Attribute Screening Technology, or FAST, is designed to analyze whether a person is likely to commit a crime, using a long list of factors. Some are akin to lie detection, such as breathing and heart rate, but the system also measures body movements, voice pitch changes, blink rate, breathing patterns, eye movements, body heat changes and prosody (changes in speech rhythm and intonation). The "prototype screening facility" is built to "detect cues indicative of mal-intent" using these algorithms. The system also analyzes factors like ethnicity, gender, age and profession.