OXFORD, Mississippi (AP) — The man charged with sending poisoned letters to President Barack Obama, a U.S. senator and a Mississippi state judge was released from jail on Tuesday, federal official said, though the reason for the release wasn’t immediately clear.
The release came a day after an FBI agent testified in court that searches of Paul Kevin Curtis’s house found no ricin or evidence that he was making it. No other physical evidence tying him to the mailings was presented over two days of hearings in federal court, and a third day of hearings was canceled Tuesday morning without explanation.
Jeff Woodfin, chief deputy with the U.S. Marshals Service in Oxford, Mississippi, said Curtis has been released from custody, though Woodfin said he doesn’t know if there were any conditions on the release.
Defense lawyer Christi McCoy, who has been pushing for the charges to be dropped, said in a text message Tuesday that she could only confirm that her client has been released.
McCoy has said that there is a news conference scheduled for later Tuesday with federal authorities and defense attorneys.
Curtis was arrested last Wednesday at his house in Corinth, Mississippi, and charged with sending ricin-laced letters to Obama, Sen. Roger Wicker and a Lee County, Mississippi, judge.
On Monday, FBI Agent Brandon Grant testified searches of Curtis’ vehicle and house in Corinth, Mississippi, found no ricin, ingredients for the poison, or devices used to make it. A search of Curtis’ computers found no evidence he researched making ricin.
He speculated that Curtis could have thrown away the processor.
Through McCoy, Curtis has denied involvement in the letters. The first of the letters was found April 15.
“The searches are concluded, not one single shred of evidence was found to indicate Kevin could have done this,” McCoy told reporters after the hearing Monday.
McCoy also questioned why Curtis would have signed the letters “I am KC and I approve this message,” a phrase he had used on his Facebook page.
McCoy said in court that someone may have framed Curtis, suggesting that a former business associate of Curtis’ brother, a man with whom Curtis had an extended exchange of angry emails, may have set him up.
Still, Grant testified that authorities believe they have the right suspect.
Grant said lab analysis shows the poison in the letters was in a crude form that could have been created by grinding castor beans in a food processor or coffee grinder.
Grant testified Friday that authorities tried to track down the sender of the letters by using a list of Wicker’s constituents with the initials KC, the same initials in the letters. Grant said the list was whittled from thousands to about 100 when investigators isolated the ones who lived in an area that would have a Memphis, Tennessee, postmark, which includes many places in north Mississippi. He said Wicker’s staff recognized Curtis as someone who had written the senator before.
All the envelopes and stamps were self-adhesive, Grant said Monday, meaning they won’t yield DNA evidence. He said thus far the envelopes and letters haven’t yielded any fingerprints.
At FBI headquarters in Washington, spokesman Paul Bresson said, “This remains an ongoing investigation.”
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Associated Press writers Holbrook Mohr in Jackson, Mississippi, and Pete Yost in Washington contributed to this report.
Copyright 2013 The Associated Press.