Tennessee Code Title 37. Juveniles § 37-1-160

(1) Any law of this state defining a felony, and is at the time of such violation less than eighteen (18) years of age, if such person thereafter flees from this state. Any such person may be proceeded against in the manner otherwise provided by law for proceeding against persons accused of a felony. Upon the return of such person to this state by extradition or otherwise, proceedings shall be commenced in the manner provided for in this part;

(2) Any law of another state defining a felony, and is at the time of such violation less than eighteen (18) years of age, if such person thereafter flees from that state into this state. Any such person may be proceeded against as an adult in the manner provided in the Uniform Criminal Extradition Act, compiled in title 40, chapter 9. Pending rendition to the demanding state, the juvenile shall be detained as provided in § 37-1-116; provided, that nothing in this subdivision (a)(2) shall prevent a juvenile from being released pursuant to § 40-9-106.