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RUSE A BLOND BOMB

Evidence collected in a sting by a Brooklyn mom who dressed like a young blonde to compromise a juror wasn’t enough to overturn her son’s murder conviction, prosecutors said yesterday.

The Brooklyn DA filed papers arguing that tapes made by Doreen Giuliano were full of conflicting, unsworn statements.

Prosecutors said Giuliano prodded the juror into making the statements, but there is no indication of misconduct on his part.

Giuliano’s son, John Giuca, then 20, was found guilty in Brooklyn Supreme Court of the 2003 shooting death of 19-year-old Fairfield College football player Mark Fisher.

The heartsick Giuliano hatched a plan to see if she could uncover any juror misconduct.

When she learned that juror Jason Allo, a Bensonhurst construction worker, had friends who had crossed paths with her son, she decided, “I have to move on this guy,” she told Vanity Fair in an article published last year.

She began tailing Allo and created a new identity for herself. She dyed her hair blond, slimmed down at a gym and visited a tanning salon.

Then she rented an apartment in Allo’s neighborhood and printed business cards with her undercover name, Dee Quinn.

Decked out in her new wardrobe of short-shorts and pushup bras, she orchestrated a meeting with Allo, and the ex-juror began to take an interest in her.

He often came to the apartment. “She was offering me wine, offering to smoke weed,” he told The Associated Press after the sting.

Although Giuliano had attended her son’s trial, Allo never recognized her in her new persona.

Finally in 2007, Allo told her in conversations she recorded that he didn’t know Giuca directly, but had hung out with his associates and heard rumors about the Fisher killing.

He had said under oath that he didn’t have any inside knowledge of the case. Allo also confessed that he read news accounts of the trial against the judge’s orders.

But in yesterday’s motion, prosecutors argued that Allo was recorded saying “the evidence was all there” to support the conviction.

The judge has not yet ruled on Giuca’s motion to set aside the verdict.

ed.robinson@nypost.com