[4] In the late 1990s, DeSutter joined the staff of the United States Senate Select Committee on Intelligence.

[4] There she was the staff liaison to Senator Jon Kyl and was responsible for legislation and oversight of intelligence collection, analysis and activities related to proliferation, terrorism, arms control, the Persian Gulf States, India, Pakistan, China, and Afghanistan.

[5] DeSutter was the lead author of a September 2015 letter to President Obama signed by 56 arms control experts objecting to the July 2015 nuclear agreement with Iran (formally known as the Joint Comprehensive Plan of Action or JCPOA).

Another prominent signer, C. Paul Robinson, was president and director of Sandia National Laboratories, head of the nuclear weapons and national security programs at Los Alamos National Laboratory, and chief negotiator at the U.S./Soviet Union nuclear testing talks, and Henry Cooper, former chief defense and space talks negotiator and director of the Pentagon's Strategic Defense Initiative organization.

Other signers included former CIA director James Woolsey, former national security advisor Robert McFarlane, former undersecretary of state for arms control and international security and ambassador to the UN John Bolton, and former deputy undersecretary of defense for intelligence, Lt. Gen. William "Jerry" Boykin, and former assistant secretary of energy for defense programs Troy Wade.