A California man has pleaded guilty to fatally beating and stomping his girlfriend's 6-year-old son, then taking the body to Arizona where it was buried and entombed in concrete.
Prosecutors say 37-year-old Samuel Corona pleaded guilty Friday to murder and torture for the 2007 death of Oscar Jimenez Jr.
As part of a plea deal, Corona is expected to be sentenced to life in prison without parole, escaping a possible death sentence if he had gone to trial.
Investigators say Corona killed the boy inside the couple's San Jose home, then drove with the child's mother, Kathryn Jimenez, to Phoenix and buried the body.
A judge previously ruled that Kathryn Jimenez also was a victim of Corona's violence and sentenced her to one year in jail for endangering her son.