Who is Cesar Sayoc? Here’s what’s known about the suspected mail bomber.

Next to the pro-Trump stickers plastered all over the white van that authorities believe belongs to Cesar Sayoc are the names and photos of dozens of prominent Democrats and media figures - former secretary of state Hillary Clinton, former first lady Michelle Obama, former attorneys general Eric Holder and Loretta Lynch, Sen. Elizabeth Warren, filmmaker Michael Moore, "Meet the Press" host Chuck Todd.

Authorities on Friday arrested Sayoc and identified him as a suspect in the sprawling mail-bomb scare that included at least a dozen suspicious packages sent to political and media figures, including many pictured on the van. Sayoc has been charged with five federal crimes, including transportation of explosives and threats against former presidents, and faces up to 58 years in prison if convicted, according to Attorney General Jeff Sessions.

Sayoc, a 56-year-old registered Republican, lives in Aventura, Florida, near the facility from where many of the packages were mailed, authorities said.

Sayoc, who was previously known to law enforcement officials, has been arrested nearly a dozen times in Florida, including a 2002 arrest for making a bomb threat. His criminal record in the state extends to the early 1990s, starting with his arrest for larceny at the age of 29, according to state records. Other charges of larceny, grand theft and fraud would soon follow across the southern part of the state.

In the 2002 bomb threat case, Sayoc pleaded guilty to the felony without a trial and was sentenced to probation, the records show.

According to Miami-Dade County jail booking records, Sayoc called Florida Power and Light and threatened to blow up the local electric utility. Sayoc said "it would be worse than Sept. 11″ and also threatened something would happen to the FPL representative he was talking to if the utility cut his electricity.

He declared bankruptcy in 2012, according to a court filing that said he lived with his mother at that time.

A lawsuit in which Sayoc was deposed said he had been a manager at a strip club called Stir Crazy for 35 years. In that same deposition, Sayoc claimed that he was also a pro wrestler, a Chippendales dancer, a professional soccer player in Milan, and an arena football player in Arizona

Relatives of Sayoc could not be immediately reached for comment Friday. An attorney who had previously represented Sayoc declined through his law office to speak Friday, saying: "We know why you're calling, and we have no comment."

Daniel Aaronson, an attorney who has represented Sayoc over the years, said none of his clients were “as polite and as courteous and as respectful to me” as Sayoc was. He said Sayoc never discussed his political views; if he had, it might have sparked a dispute.

"In fact, I am a Democrat," Aaronson told The Post. "I am very proud of some of the people that were targeted . . . so, if he had said anything along those lines, I certainly would have noted it, because we would have gotten into a political discussion."

In one case, Aaronson said, Sayoc was charged with grand theft for taking a suit from a department store. In another, he said, Sayoc was charged with theft after going through the checkout line at a store and leaving with an item in his shopping cart that he had not presented to the cashier.

Aaronson said Sayoc never talked about explosives, and the only allegation that he was violent came in the course of the department store theft.

"When he got arrested, they charged him with battery on the store detective; but in all candor, my recollection of the events was he was tackled," Aaronson said.

Social media profiles that apparently belonged to Sayoc were filled with conspiracy theories and antipathy toward liberals. A Twitter account in his name mentioned George Soros 34 times, Barack Obama 29 times and Hillary Clinton 21 times.

One tweet features a picture of Holder, one of the people a pipe bomb was addressed to. "This man murdered for political reasons and got away with it," the tweet says.

A Facebook page that is believed to have been Sayoc's and was disabled shortly after his arrest was filled with pro-Trump, anti-liberal memes.

Law enforcement officials have not publicly verified that the accounts were Sayoc's.

Sayoc attended Brevard College where he was listed as a member of the soccer team, according to a yearbook from the North Carolina school. He also was listed as a member of the Canterbury Club, a religious organization. A yearbook photo showed him posing behind someone in a bishop's robe.

His arrest Friday came after authorities found a dozen packages across multiple states, all of them addressed to prominent Democrats, Trump critics and the news network CNN.

None of the devices have detonated, and no one has been injured, but the incidents put officials on high alert as they worried how many additional devices may be out there.

After news of Sayoc's arrest broke, FBI agents and other law enforcement personnel could be seen draping a blue tarp over a van in a South Florida parking lot before loading it onto a truck and driving it away.

President Donald Trump, who is featured on many of the photos on Sayoc's van, praised the law enforcement officers who made the arrest.

"We will prosecute them, him, her, whoever it may be, to the fullest extent of the law," the president said at the White House. "We must never allow political violence to take root in America, and I'm committed to doing everything in my power as president to stop it and stop it now."

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The Washington Post’s Lori Rosza, Shawn Boburg, Andrew Ba Tran, Julie Tate, Alex Horton, Annie Gowen, Abby Ohlheiser and Alex Crites contributed to this report.