The Idaho Supreme Court Wednesday upheld the murder conviction of an Ada County woman whom a jury found guilty of killing a 2-year-old boy in her care.
Katherine Lea Stanfield was convicted in 2012 of causing the child's death in December 2009. Prosecutors said the day care operator slammed the boy's head into a hard object several times, angry because he refused to take off his coat.
The child died two days later. Throughout the process, Stanfield maintained she was innocent. The judge gave her life in prison, with eligibility for parole after a decade.
She appealed her case to the state Supreme Court, contending that expert testimony contained inadmissable hearsay and that the district court didn't properly instruct the jury on the elements of first-degree murder.
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The Supreme Court ruling rejected both arguments and upheld Stanfield's conviction.