adult inmate
(26) the term “adult inmate”— (A) means an individual who— (i) has reached the age of full criminal responsibility under applicable State law; and (ii) has been arrested and is in custody for or awaiting trial on a criminal charge, or is convicted of a criminal offense; and (B) does not include an individual who— (i) at the time of the offense, was younger than the maximum age at which a youth can be held in a juvenile facility under applicable State law; and (ii) was committed to the care and custody or supervision, including post-placement or parole supervision, of a juvenile correctional agency by a court of competent jurisdiction or by operation of applicable State law;