The Florida man charged with sending explosive devices to critics of 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 also previously threatened Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeHow fast population growth made Arizona a swing state Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden MORE (R-Ariz.) in social media posts, The Arizona Republic reported.

Cesar Sayoc Jr. posted the threats shortly after Flake called for an FBI probe into allegations of sexual misconduct against then-Supreme Court nominee Brett Kavanaugh Brett Michael KavanaughSenate GOP set to vote on Trump's Supreme Court pick before election Conservative groups unleash ad blitz in support of Barrett's nomination Two Judiciary Democrats say they will not meet with Trump's Supreme Court pick MORE, the newspaper reported.

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One post included an aerial photo of Flake's home in Mesa, Ariz., according to the newspaper.

"@JeffFlake very nice house Jeff a lot entrances," the post reportedly said. "Arizona we will see you Cheryl and your family soon."

The post also reportedly included three other images: one of someone walking away from a trailer that was on fire, one of two figures "blasting fire from a hose-like device" and one showing the book title, "The Art of War."

In a separate tweet the same day, Sayoc reportedly tweeted a portrait of Flake, his wife and their kids with "an image of what appears to be the tarot card representing 'death,' " the newspaper reported. The post also included a photo of a person with a red gas can and a car and a picture of Flake walking with his wife in Washington, D.C.

Flake voted to confirm Kavanaugh following the weeklong FBI investigation.

Sayoc was charged last week after explosive devices were sent to former President Obama, former Democratic presidential nominee Hillary Clinton, former Vice President Joe Biden and other Democrats, celebrities and news organizations.

Sayoc faces up to 48 years in prison if convicted.