WIUM Tristates Public Radio

Las Vegas

Illinois politicians continue reacting to Sunday’s mass shooting in Las Vegas. Their responses are often falling along party lines.

Updated at 6:55 a.m. ET Tuesday

Less than 24 hours after the massacre at an open-air country music concert in Las Vegas, authorities are still piecing together what shooter Stephen Paddock did in preparation for his deadly shooting rampage that left 59 people dead and 527 others injured.

There is still a lot they don't know about what motivated Paddock, described by officials as a "lone wolf," to launch the most deadly mass shooting in modern U.S. history.