The price-tag for beating a 3-year-old girl to death is 22 years in prison for Phoenix resident Martwane Mackey.
Perhaps not surprisingly, given the odd circumstances regarding the girl's death, Mackey, 19, was also sentenced to a lifetime of probation with mental-health terms.
Mackey called police one afternoon in June, 2011, from a payphone down the street from the apartment he shared with the 3-year-old girl's mother.
Police arrived at the payphone, and found Mackey holding the girl, who wasn't breathing.
Mackey, who was unemployed at the time, was in charge of watching the girl and her 1-year-old sister that morning, while their mother worked.
Mackey told police that earlier in the day, the 3-year-old had a "choking incident" that left her unconscious and not breathing at times, according to court documents previously obtained by New Times.
Police said there was blunt-force trauma to the head of the deceased 3-year-old, and bite marks on both the girls.
Mackey continued with the choking story, and told police he thought biting the girl on the face and torso might bring her back to consciousness, according to the documents.
As for the bite marks on the 1-year-old, Mackey had no explanation.
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Although he admitted abusing the 3-year-old, Mackey insisted he didn't kill her, and said she may have hurt herself by hitting her head on a toilet, or something, according to the documents.
Mackey was initially charged with first-degree murder, but ended up pleading guilty to second-degree murder, leading to the 22-year prison sentence.
He also pleaded guilty to two counts of child abuse as part of that plea agreement.
James King contributed to this post.