He said he was concerned that the prosecutors had indicated that they were prepared to present evidence that Guzman was involved in more than 30 murder conspiracies, even though the charges against him are for drug trafficking.
"I don't know why it's called the 'El Chapo, '" he said.
Identities of the 12 selected jurors and six alternates will remain anonymous and they will be escorted to and from the courthouse every day by armed United States marshals. The names of the jurors will not be revealed and each of them will be assigned a U.S. Marshal to escort them to and from the courthouse. In the United States, opioid addiction has spiraled into an epidemic.
Lawyers for Guzman said in a motion last week that they needed more time to review more than 14,000 pages documents, largely related to key witnesses expected to testify against their client, that prosecutors turned over.
The long-awaited trial of Guzman, who prosecutors believe hired assassins to knock off rivals with a string of accused violent acts to protect the cartel, will start with the jury pool arriving answering a lengthy questionnaire, according to the New York Post.
The defendant accused of running the massive Sinaloa drug cartel, observed the first day of jury selection dressed in a navy suit, white shirt with a wide disco-style collar, flashing a smile but otherwise impervious.
Order to kill Khashoggi came from top of Saudi government: Turkey's Erdogan
Riyadh has maintained that neither King Salman nor Crown Prince Mohammed bin Salman knew of the operation to target Khashoggi. He added: "The chief prosecutor is not trying to shed light on the murder, he is trying to save the crown prince".
Rivers, Gordon leads Chargers past Seahawks 25-17
Sturgis' release Monday came after he missed two extra points and a field goal in Sunday's 25-17 win over Seattle. That said, I am going to go ahead and be the bad sport and grade the refs with an F.
Charges filed in hit-and-run that killed 4 in Wisconsin
The hit-and-run suspect later admitted to law enforcement that he had been huffing chemicals before the deadly crash. Treu was arrested on charges including four counts of homicide by negligent use of a motor vehicle, police said.
Judge Brian Cogan has taken the extraordinary step of holding the trial behind closed doors.
A look at those concerns for a trial that is starting Monday with jury selection.
Mr Heroy estimates the trial will cost USA taxpayers "more than US$50 million", a price tag that includes protection programmes for at least some of the hundreds of witnesses expected to testify. The Sinaloa cartel that Guzman founded in 1989 is still hugely powerful.
Guzman's co-defendant Ismael "El Mayo" Zambada remains at large. "The case is going to be based on these informants".
The only visitors he is allowed are his three lawyers and twin seven-year-old daughters - the judge banned his 29-year-old beauty queen wife, Emma Coronel, from visiting. He was first apprehended by Mexican authorities in 2016. Guzman was re-captured in January 2016 after a visit from Hollywood actor Sean Penn and a Mexican actress, who wanted to make a film about his life, allowed Mexican authorities to trace his whereabouts. He was rearrested in 2014 only to escape 14 months later from a tunnel dug into the prison.