 In 2015, Ayotte and New York Democratic Senator Kirsten Gillibrand introduced the Campus Accountability and Safety Act to combat sexual assault on college campuses and better support survivors.Ayotte supported the U.S. Supreme Court's decisions in "McDonald v. City of Chicago" and "District of Columbia v. Heller", which invalidated strict gun laws in Chicago and Washington.In 2006, Ayotte opposed a Republican-backed bill to established a castle doctrine for New Hampshire.