Mass shootings go on but gun laws stay same.
Byline: GERALDINE MCKELVIE
SINCE Columbine, the US has experienced several deadly mass shootings - but its gun laws have been largely unchanged.
In 2007, 23-year-old student Seung-Hui Cho went on a shooting spree on a college campus in Virginia, killing 32 people. This led to laws which tightened reporting of mental health data from states to federal databases for background checks on gun sales - but mobilised the nation's large gun lobby.
In 2012, gunman Adam Lanza, 20, opened fire at Sandy Hook elementary school in Connecticut, killing 26 children and staff. He'd also murdered his mum.
Barack Obama tried to ban assault rifles in the wake of the tragedy, but openly wept when his bid was blocked by Congress.
Four years later, 49 people were killed in an Orlando nightclub by Omar Saddiqui Manteen, 29.
Then came the country's worst-ever mass shooting when 58 people were killed and 500 injured by Stephen Paddock, 64, at a festival in Las Vegas.
MOTHER AND SON Killer Dylan and, inset, mum Sue