"Well, they are critics of the Bush administration generally on the human rights record of the administration, and in particular, they are very, very critical of this use of science"

This quote by Jane Mayer is describing the critics of the Bush administration and their human rights record. Particularly, the critics are extremely crucial of the Bush administration's use of science. This might be referring to the Bush administration's use of science to justify certain policies, such as the intrusion of Iraq, or making use of science to support certain questionable policies, such as using torture. The critics are likely concerned that the Bush administration is utilizing science to support policies that are dishonest or in offense of human rights. This quote highlights the value of holding governments liable for their use of science and making sure that science is used in an ethical and responsible way.