(1) Been convicted of the crime of murder;

(2) Been convicted of a crime in another jurisdiction punishable by a sentence of life imprisonment or death;

(3) Been convicted of a Class A or Class B crime under:

(4) Been convicted of a Class C crime under Title 17-A, section 853, subsection 1;

(5) Been convicted of a military, tribal or federal offense requiring registration pursuant to the federal Adam Walsh Child Protection and Safety Act of 2006, Public Law 109-248, 42 United States Code, Chapter 151;

(6) Been convicted under any other jurisdiction's sex offender laws requiring the person to register for life; or

(7) Been found to have committed any crime listed in subparagraphs (1) to (6) but has not been convicted because the person has not been available for trial due to the person's death or flight to avoid prosecution. A finding under this subparagraph must be made by the appropriate federal official. Any such finding may be based only upon a showing of clear and convincing evidence, after an opportunity for a hearing in a manner prescribed by the appropriate federal official. For purposes of this subparagraph, "appropriate federal official" means the Secretary of Veterans Affairs, in the case of the National Cemetery Administration, or the Secretary of the Army, in the case of the Arlington National Cemetery.