Transcript for Pro-Gun Senators Confronted by Angry Voters
like a growing backlash against authorities who oppose background checks for gun buyers after the newtown killings coming face to face with the victims' families. Jeff zeleny covering this from washington. Reporter: Some senators who voted against this gun control legislation, they fear a backlash from the gun lobby and pro-gun voters in their state. What they may not have expected is this frustration and fury they're feeling from the other side. Now back home in their districts, senators who opposed the president's legislation are confronts what they never thought they would. Angry voters. Your sign says shame on you. Who is that directed to. To senator ayotte. Reporter: Angrier victims of gun violence. Why did she do it? Why did she vote against the bill? Reporter: Gilles traveled to new hampshire to face down republican senator kelly ayotte. He came on behalf of his daughter lauren, a first grade teacher killed at sandy hook elementary school. I feel I have to do something not to avenge but -- sorry to cry. For my daughter. I'm going for my daughter. I hope we can prevent any of this in the future. Reporter: Rousseau carried her death certificate and trying to understand how so many voted for something eight in ten americans support. Ayotte says she thinks it would not prevent another sandy hook. Mental health is something in these mass violent situations i think be able to come to some improvements on. Reporter: Across the country arizona republican jeff flake who also voted no is facing an angry backlash too posting on facebook he says his public image is now, quote, somewhere just below pond scum. I'm not going away. I'm not giving up and neither are these people outfront. Reporter: The nra is opening its annual convention today in houston and some newtown families and other victims of gun violence plan to be on hand to so their opposition to the gun lobby. What they're trying to do here, george, to convince congress to re-open the gun debate but a top senate aide tells us it may happen later this month but it's not likely.
This transcript has been automatically generated and may not be 100% accurate.