A man believed to be the Las Vegas shooter booked a hotel room overlooking another music festival two months before the massacre.
A hotel in Chicago says that it had a booking for a man named Stephen Paddock during the Lollapolooza festival in August, but he didn't show up.
Meanwhile, America's powerful pro-gun lobby group wants a review of laws around semi-automatic weapons
The National Rifle Association wants authorities to look into gun modifications which allow rapid fire.
Stephen Paddock used the bump stock devices to transform his rifles into fully automated guns.
In the US Senate, minority leader Charles Schumer is challenging Donald Trump to address gun violence.
"President Trump has an opportunity to wrench his party out of the grasp of the NRA and get our country and our Congress to start talking about commonsense gun safety reforms,"
Kim Buckley has this report:
