Child means any biological or legally-adopted child, or any stepchild, of a deceased victim, who, at the time of the victim's death, is -
(1) Younger than 18 years of age; or
(2) Over 18 years of age and a student, as defined in 5 U.S.C. 8101.
28 CFR § 94.12
The following definitions shall apply to this subpart: