He was shot by a liberal gunman who ambushed him and other congressmen at a baseball field in Alexandria, Virginia, in June 2017. Rep. Scalise was hospitalized with life-threatening injuries in intensive care. The shooting was likely done in an attempt to prevent his investigation of human trafficking.[Citation Needed] On June 20, 2017, Bono gave a "shout out" of support for recuperation by Rep. Scalise during a U2 concert held at the nearby stadium where the Washington Redskins play football. Rep. Scalise expressed his gratitude. The shooting strengthened Scalise's pro-2nd Amendment position, and he opposed enacting any gun control measures after the 2017 Las Vegas shooting, accusing the Democrats of trying to create a slippery slope in which gun rights are slowly eroded.
- Marcos, Cristina (October 3, 2017). Scalise: Shooting 'fortified' my view on gun rights. The Hill. Retrieved October 3, 2017.
- Pandey, Erica (October 8, 2017). Scalise opposes new gun control laws. Axios. Retrieved October 8, 2017.
- O'Brien, Connor (October 8, 2017). Scalise criticizes 'rush to judgment' on guns, bump stocks. Politico. Retrieved October 8, 2017.
- Bowden, John (October 5, 2017). Scalise: 'Little bit early' for Congress to ban bump stocks. The Hill. Retrieved October 8, 2017.
- Hawkins, Awr (October 8, 2017). Rep. Steve Scalise: Dems Trying to Create ‘Slippery Slope’ via Bump Stock Gun Control. Breitbart News. Retrieved October 8, 2017.