NEW YORK (CBSNewYork) — Lawyers for the man accused in the murder and dismemberment of an 8-year-old Brooklyn boy said Monday his confession was coerced.

LISTEN: 1010 WINS’ Juliet Papa reports

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Levi Aron didn’t appear in person for a hearing Monday, but watched the proceedings via a video link from Riker’s Island.

His defense attorneys said authorities told Aron what to write down when he allegedly confessed to the crime.

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“My opinion is this guy would admit he shot Kennedy if you spent enough time with him,” said defense attorney Howard Greenberg, who joined Aron’s legal team pro-bono after a judge questioned the experience of his other lawyers.

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The defense also said he isn’t sane enough to be aware of his actions, even though Aron has been ruled fit to stand trial.

Psychiatrists determined that Aron is mentally competent and that he understands the charges against him.

Nevertheless, Greenberg said they will pursue an insanity defense for their client.

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“Anyone who thirsts for Levi Aron’s blood can take solace in the fact that he will spend the rest of his life in an asylum, never to see the light of day,” Greenberg said.

Levi Aron watches court proceedings via a video link, Monday Oct. 24, 2011 (credit: Juliet Papa/1010 WINS)

Prosecutors said Aron killed 8-year-old Leiby Kletzky back on July 11 and then dismembered his body. Authorities said Aron kidnapped Kletzky from his neighborhood in Borough Park and gave him a toxic mix of prescription and over-the-counter drugs before smothering him.

Aron then allegedly butchered the boy’s body, hiding part of it in his freezer.

Police said Aron killed Kletzky because he panicked after seeing flyers of the 8-year-old around the neighborhood.

Defense attorneys were also expected to request Aron’s trial be moved out of Brooklyn because they don’t believe he can get a fair trial.

State Assemblyman Dov Hikind was in court Monday as a representative for the Kletzky family.

“To accuse the district attorney they coerced this and set this up as the whole world was really watching this and there was so many people involved in this case is really outrageous,” he said.

Hikind also called the insanity defense a desperate measure.

Aaron has pleaded not guilty to charges of murder and kidnapping.

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