Following the Sandy Hook Elementary School shooting , Murphy became a leading voice in the movement to prevent gun violence , supporting numerous policies including universal background checks and ending the ban on gun violence research at the CDC . Murphy supported the bipartisan Manchin-Toomey background checks proposal , which would have strengthened and expanded the existing background check system and established a National Commission on Mass Violence to study in-depth all the causes of mass violence
Sandy Hook Elementary School shooting
Sandy Hook Elementary School shooting
Chris Murphy