Jeff Ashton, the former prosecutor in the Casey Anthony murder trial, has spoken out about the case, revealing his thoughts on how Caylee died and why Anthony was acquitted.

Ashton, speaking in an interview with Dr. Phil McGraw, was also promoting his new book Imperfect Justice: Prosecuting Casey Anthony.

"Jeff will reveal the contents of Casey Anthony's psychological report. This has never been disclosed before," said McGraw, the Orlando Sentinel reported.

The "Dr. Phil" interview will air Wednesday, following the Nov. 15 release of Ashton's tell-all Casey Anthony book.

Imperfect Justice, published by William Morrow, an imprint of HarperCollins Publishers, presents a "no-holds-barred blow-by-blow account" of Casey Anthony's murder trial.

Assistant state attorney and veteran prosecutor Jeff Ashton gives an "insider's account of the investigation, the trial, and the acquittal," according to the HarperCollins press release.

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Ashton details what the prosecution got wrong, what they got right and why he is convinced of Anthony's guilt in the death of her daugther.

"I look forward to the opportunity to share the story of the three years we spent prosecuting the person responsible for the death of Caylee Anthony," Ashton said. "I will explore my take on what the public already knew and reveal what they didn't."

Imperfect Justice hits bookshelves Tuesday and will cost $17.81.

Casey Anthony was acquitted of murdering her 2-year-old daughter Caylee in July 2011 – a verdict that outraged and shocked many observers of the trial. She is currently serving probation for check fraud charges in an unrelated case at an undisclosed location in Florida.

Anthony began psychological treatment in September and is doing "well" a source close to the 25-year-old revealed.

"She hopes she will someday redeem herself and live a productive life," the source told People magazine.

In September, Orange County Judge Belvin Perry, who presided over Anthony's murder trial, ruled that the Florida mother had to repay $217,000 in costs related to the investigation and disappearance of Caylee.

Perry, who issued the first fine of $97,676.98, increased the reimbursement costs the 25-year-old owed four central Florida law enforcement agencies.

The additional payments came about after the Orange County Sheriff's Office provided Perry with a better-detailed account of their costs.