Defense rests in case of Fla. woman accused of killing missing foster child Rilya Wilson

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The defense has rested in the case of a South Florida woman accused of killing her 4-year-old foster child more than 10 years ago.

Lawyers for 67-year-old Geralyn Graham on Tuesday focused on attacking the credibility of three jailhouse informants who implicated Graham in the Rilya Wilson's killing. Also testifying for the defense were corrections officials who say star prosecution witness Robin Lunceford was given preferential treatment behind bars.

Lunceford also got a life prison sentence reduced to just 10 years in exchange for her testimony that Graham confessed.

Graham did not testify in her own defense but has insisted on her innocence. Rilya's body has never been found.

Prosecutors now have the chance to put on a brief rebuttal case. Closing arguments are expected next Tuesday.