No, they get paid off, I believe the settlement from Sandy Hook was one of the largest in US history...
CNN article
(CNN)The families of five children and four adults killed in the 2012 Sandy Hook Elementary School shooting have reached a $73 million settlement with the now-bankrupt gun manufacturer Remington and its four insurers, the plaintiffs' attorneys said Tuesday.
But nothing in the government really changed so that they can say they tried to prevent the next Sandy Hook. The fucking band just played on.