"The mass murder at Umpqua again reveals we are a gun sick nation," Rivera said in a Facebook post. "All the 2nd Amendment bullshit aside, the gun lobby controls the country, and allows armed maniacal lunatics to roam free and kill."
The host advocated for armed guards to be stationed on campuses across the nation.
In a follow-up post, hours later, Rivera called on President Barack Obama to offer up legislation and take on the National Rifle Association. "You blame the gun lobby? Why not take them on? Confront the NRA and call out every hack who ever took money from them," he said.
This article has been updated with revised casualty figures for Thursday's shooting.
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