The names of 20 children and their six teachers were read out today, six months after they were shot dead at Sandy Hook in one of America's worst school shootings.
Since the school massacre, thousands more people have died from gun crime in the US.
The parents of the children killed in December are still fighting for a change in gun laws.
This report is by ITV News Washington correspondent Robert Moore:
A special Tonight: America and its Guns was broadcast at 19.30pm on ITV
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She told reporters: "I don't think it's fully sunk in how really bad that could have been, I know it's not the right decision."
Jonathan Theobald said: "The weather can change quickly and a car can become lethal, I've discovered that the hard way."
Political parties across the country suspended their General Election campaigns following the Manchester Arena terror attack on Monday.