Ex-boyfriend arraigned in murder of Upper East Side mom

UPPER EAST SIDE, Manhattan (WABC) -- There was an arraignment on Saturday for the father arrested in the shooting death of his ex-girlfriend as she walked with their baby on the Upper East Side.

Prosecutors call the killing a premeditated execution. They say Isaac Argro, 22, met up with the victim, Aszia Johnson, 20, under the guise he wanted to give her items for their three-month-old daughter.

Argro allegedly showed up with one of those items and wore a ski mask - then shot her at point-blank range.

Police took Argro into custody after two days on the run.

He was ordered to be held without bail.

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