Overview
- Prosecutors said fragments of the infant's DNA were found in the household microwave, supporting allegations the oven was used.
- Medical experts testified that heat injuries matched exposure of more than two minutes with an internal temperature near 42°C.
- The first trial ended in a mistrial over evidentiary issues, and a 2008 retrial produced a guilty verdict for aggravated murder.
- Defense claims pointing to another possible perpetrator and a later appeal focusing on the boyfriend did not change the sentence.
- Arnold is serving her sentence at Dayton Correctional Institution, with reporting also citing an ex-cellmate's account of a confession tied to paternity fears.