A Chicago man was sentenced to 105 years in prison for the murder of a 14-year-old girl who was found with her hands bound in a dirty alleyway in Gary, Indiana, a judge ruled on Thursday.

Deonlashawn Simmons, 36, will likely spend the rest of his life behind bars for killing Takaylah Tribitt in 2019.

A jury convicted him of the murder in March and Simmons admitted to firearm and habitual offender enhancements.

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Tribbitt, a runaway, was found facedown, tied with cords and surrounded by garbage not far from where Simmons’ family lived, according to court documents.

She and Simmons had met at a birthday party in Chicago five days earlier.

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Simmons has maintained his innocence and said Thursday he plans to appeal.

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Deputy Prosecutor Doug Shaw, who called Tribbit’s death an "execution," asked the judge to impose the maximum 105 year sentence, saying "that’s all the law allows us." 

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Tribitt was a "defenseless child," Shaw said in court.

Simmons’ attorney had asked for a 56-year sentence, with five years suspended in favor of probation.