Sec. 2243. Sexual abuse of a minor or ward
STATUTE
(a) Of a Minor. - Whoever crosses a State line with intent to engage in a sexual act with a person who has not attained the age of 12 years, or, in the special maritime and territorial jurisdiction of the United States or in a Federal prison, knowingly engages in a sexual act with another person who -
(1) has attained the age of 12 years but has not attained the age of 16 years; and
(2) is at least four years younger than the person so engaging; or attempts to do so, shall be fined under this title, imprisoned not more than 15 years, or both.