For each individual described in paragraph (1) or (2), if the Combined DNA Index System (in this section referred to as “CODIS”) of the Federal Bureau of Investigation contains a DNA analysis with respect to that individual, or if a DNA sample has been collected from that individual under section
1565 of title
10, the Attorney General, the Director of the Bureau of Prisons, or the probation office responsible (as applicable) may (but need not) collect a DNA sample from that individual.