EXCLUSIVE: Big cat wrangler and "Tiger King" star Joe Exotic says drug sentences should be capped at three years and that a "two-party" criminal justice system in the U.S. is unfair to the accused as he challenges President Biden to a debate on the issue.

Exotic, whose real name is Joseph Maldonado-Passage, also told Fox News Digital in a phone call from the Federal Medical Center in Fort Worth, Texas, that he is innocent of the attempted murder-for-hire charges and animal abuse for which he is serving a 21-year federal sentence.

Exotic, now 60, was convicted in 2019 on charges that included trying to hire an undercover FBI agent as a hit man to kill his Netflix series rival Carole Baskin.

Behind bars, Exotic said he gets nearly all news from the outside over the radio or via email.

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Joe Exotic sits in front of a big cat pen

In this Aug. 28, 2013, file photo, Joseph Maldonado answers a question during an interview at the zoo he runs in Wynnewood, Oklahoma. Maldonado, better known as "Tiger King" Joe Exotic, is now in a federal prison after a jury convicted him in a murder-for-hire plot involving his chief rival, Carole Baskin. (AP Photo/Sue Ogrocki, File)

‘Two-party justice system'

"It's not a fair system," Exotic said. "It's a two-party justice system."

He claimed that the system treats criminals more leniently in Democrat-controlled states — and too harshly in Republican ones.

"It doesn't matter, if I'm in Oklahoma, and I get sentenced by a Republican judge, I'm going to jail forever," Exotic said. "If I get a sentence in, you know, New York, by a Democratic federal judge, I'm out in three."

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Tiger King Joe Exotic mug shot

Joe Exotic was convicted in a federal court of animal abuse and a murder-for-hire plot targeting rival Carole Baskin, a conflict chronicled in the Netflix series "Tiger King." (Santa Rosa County Jail via AP)

He argued that plea bargains unfairly result in longer prison terms for low-income defendants than those who can afford private attorneys.

"The poor people of this country are being blackmailed to plea bargain out," Exotic said. "Use my case as an example. They indicted me with one charge to start with. OK, and I didn't want to plead guilty because I didn't do anything. So I asked for a trial — just like the Constitution says, I have a right to a fair trial. The minute you ask for that trial, they superseded me with 20 more charges."

He also claimed a profit motive encourages holding more inmates for longer periods and that sentences are too stiff to begin with.

Joseph Maldonado, known as "Joe Exotic", waves from the top of a limousine

Oklahoma gubernatorial candidate Joseph Maldonado, known as "Joe Exotic," waves from the top of a limousine during Norman's Christmas Parade in Norman, Oklahoma, on Dec. 9, 2017. (Whitney Bryen/The Oklahoman via the USA TODAY Network)

"Sentencing guidelines is screwed up," he said. "I got sentenced by the same guidelines, as a 55-year-old man that has never been in trouble, as an 18-year-old who just robbed a bank — so I got no credit for being a… not even a speeding ticket in 55 years."

In federal courts, the guidelines are the same across the country, and criminal history does play a role.

In 2021, Exotic had a year shaved off his sentence after an appeal arguing that sentencing guidelines had not been properly followed in his case.

"I'm fighting every day just to just stay alive in my head. It's the mental s--- that you go through in here, that's what's crazy."

— Joe Exotic

The war on drugs

"You should shut down and forget the war on drugs because you're never going to keep drugs out of America with an open border — or even if it's a closed border — between the crooked cops, the drones, the boats, the smugglers," he said. "You can't keep drugs out of a five-acre, fenced-in federal prison. How the hell are you going to keep them out of America?"

Along with ending the war on drugs, he argued nonviolent drug offenders should get clemency after no more "than three years."

"This is nothing but a cesspool of corruption," he said of the federal prison system. "And if you don't arrive here as a drug addict, the chances are you're going to leave as a drug addict."

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Joe hugging "Sheba", North American mountain lion

Joe Exotic hugs "Sheba," a North American mountain lion obtained from a private breeder. Sheba required extensive medical treatment when she was acquired and bonded with Exotic. (Paul B. Southerland/The Oklahoman via the USA TODAY Network)

2024 presidential campaign

Exotic, who said he is running for president as a Democrat from behind bars, also challenged President Biden to a debate. He has previously said he was running as a Libertarian.

"President Biden just announced that he's now going to run for a second term," he said. "I'm legitimately a Democratic candidate, and I challenge him to debate me face-to-face on his failed promises of his last election that he was going to do prison and justice reform."

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Exotic blasted his own stalled appeal and the conditions of his incarceration, and claimed that guards tied him down in a chair for so long "the skin came off my arms."

Big Cat Rescue's Carole Baskin On Capitol Hill

Carole Baskin, founder and CEO of Big Cat Rescue, arrives for a meeting with Sen. Chuck Grassley, R-Iowa, on Capitol Hill in Washington, D.C., on March 2, 2022. (Al Drago/Bloomberg via Getty Images)

He claimed his prosecution came to "further an agenda" and pass the Big Cat Public Safety Act, which was signed into law in December.

After activists and celebrities successfully lobbied for that new law, he argued, high-profile advocates for criminal justice reform should do more in their push for results there.

Exotic singled out Instagram and reality mega star Kim Kardashian, asking for her to look into his case while arguing that she has more influence than the past two presidents. He said her recent trip to a California prison alongside a group of young influencers and the REFORM Alliance, a group focused on parole and probation improvements, prompted him to speak out on criminal justice reform himself.

Reform Alliance group sitting down and listening

Kim Kardashian, Michael Rubin and REFORM Alliance’s Future Shapers Advisory Council visit a California state prison. (REFORM Alliance)

"Either shut the hell up or jump in with both feet," he advised. "Our lives are not a hobby. The system is broken and it's so corrupt."

Kardashian famously lobbied former President Donald Trump on several criminal justice reform measures, including the First Step Act, a bipartisan criminal justice reform bill that Trump signed in 2018.

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However, Exotic previously criticized Trump's efforts on the issue, telling Fox News Digital last month that they amounted to "nothing."

Joe Exotic files to run for governor

Joe Exotic files to run for Oklahoma governor as a Libertarian candidate at the state Capitol in Oklahoma City on April 9, 2018. (Nate Billings/The Oklahoman via the USA TODAY Network)

"Let's see if Kim can use her 85 million followers to influence the political spectrum of this country to step up and do some criminal justice reform," he said. "She has more followers on just her Instagram alone than both President Trump combined."

As of Friday, Trump has 23.4 million, Biden has 17.5 million and Kardashian actually has a whopping 353 million, larger than the population of the U.S.

Cancer in remission, but not in the clear

Exotic also offered a health update.

Joe Schreibvogel speaks with the media after giving a statement at the Garold Wayne Interactive Zoological Park

Joe Exotic speaks with the media after giving a statement at the Garold Wayne Interactive Zoological Park, formerly known as the G.W. Exotic Animal Park, in Wynnewood, Oklahoma, on Oct. 7, 2013. ( Nate Billings/The Oklahoman via the USA TODAY Network)

He said that the prostate cancer he was treated for seven months spanning 2021 and 2022 is in remission, but that he is currently awaiting the results of another test.

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"I'm waiting on a biopsy to see if I have bladder cancer, which I hope I don't, because I'm going to throw in the towel and I don't know how much more of this I can do," he said. "I'm fighting every day just to just stay alive in my head. It's the mental s--- that you go through in here, that's what's crazy."