Sen. Lindsey Graham Lindsey Olin GrahamHarris slams Trump's Supreme Court pick as an attempt to 'destroy the Affordable Care Act' Sunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election Confirmation hearing for Trump's Supreme Court pick to start Oct. 12 MORE (R-S.C.) on Thursday said President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE shouldn't be blamed for the "nut job" who sent explosive devices to prominent Democrats like former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonThe Memo: Trump furor stokes fears of unrest Bloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close MORE, former Presidents Obama and Bill Clinton William (Bill) Jefferson ClintonHarris: Ginsburg 'absolutely' cleared the path for me Anxious Democrats amp up pressure for vote on COVID-19 aid Barr's Russia investigator has put some focus on Clinton Foundation: report MORE and Rep. Maxine Waters Maxine Moore WatersPowell, Mnuchin stress limits of current emergency lending programs Pelosi: House will stay in session until agreement is reached on coronavirus relief Omar invokes father's death from coronavirus in reaction to Woodward book MORE (Calif.).

In a pair of tweets, the senator compared the devices and suspicious packages to last year's shooting at a Congressional Baseball Game practice attended by GOP lawmakers. That shooting was carried out by a former presidential campaign volunteer for Sen. Bernie Sanders Bernie SandersTrump, Biden will not shake hands at first debate due to COVID-19 Sanders tells Maher 'there will be a number of plans' to remove Trump if he loses Sirota reacts to report of harassment, doxing by Harris supporters MORE (I-Vt.).

"I didn’t blame Bernie Sanders when a Bernie supporter shot Congressman Steve Scalise Stephen (Steve) Joseph ScaliseGinsburg becomes the first woman to lie in state in the Capitol House GOP slated to unveil agenda ahead of election House panel details 'serious' concerns around Florida, Georgia, Texas, Wisconsin elections MORE. And I’m not going to blame President @realDonaldTrump for this nut job," Graham wrote. "I blame the individual(s) responsible — not someone else."

I didn’t blame Bernie Sanders when a Bernie supporter shot Congressman Steve Scalise. And I’m not going to blame President @realDonaldTrump for this nut job.



I blame the individual(s) responsible –- not someone else. — Lindsey Graham (@LindseyGrahamSC) October 25, 2018

Graham's comments come after the CNN President Jeff Zucker called on Trump to take responsibility for his rhetoric against Democrats and the mainstream media following an evacuation at CNN's broadcast building in New York due to an explosive and suspicious powder in a package addressed to former CIA Director John Brennan John Owen BrennanJournalism or partisanship? The media's mistakes of 2016 continue in 2020 Comey on Clinton tweet: 'I regret only being involved in the 2016 election' Ex-CIA Director Brennan questioned for 8 hours in Durham review of Russia probe MORE.

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"The President, and especially the White House Press Secretary, should understand their words matter," Zucker said in a statement. "Thus far, they have shown no comprehension of that."

Brennan also appeared to blame Trump's rhetoric for the attempted attacks, saying he hopes the event is a "turning point" for the president.

"Unfortunately, I think Donald Trump has not helped to encourage the type of civil discourse and public engagement," Brennan told an audience at the University of Texas at Austin. "And his rhetoric — too frequently, I think — fuels these feelings and sentiments that now are bleeding over into potentially acts of violence."

Trump denounced the bombing attempts Wednesday night at a campaign rally in Wisconsin and called for national unity.

"We are extremely angry, upset, unhappy about what we witnessed this morning, and we will get to the bottom of it," the president said.

"I just want to tell you that in these times, we have to unify," he added. "We have to come together and send one very clear, strong, unmistakable message that acts or threats of political violence of any kind have no place in the United States of America."