PUEBLO, Colo. (CBS4) – Charges against a Pueblo man accused of murdering his pregnant ex-girlfriend could be dropped in the coming days.

A Pueblo District Court judge will rule on Thursday whether there is enough evidence to bring the case against Donthe Lucas to trial.

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Investigators say Kelsie Schelling disappeared in February of 2013, and has never been seen since.

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Kelsie Schelling (credit: CBS)

According to the Pueblo Chieftain, a Colorado Bureau of Investigations agent testified that he believes Schelling was killed at Lucas’ grandmother’s home on Manor Ridge Drive.

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Lucas was charged with first-degree murder in December of 2017.