BELLEVUE, Neb. -- A judge on Tuesday upgraded the charges against the Bellevue father accused of killing his two children in May. 

Previously facing two charges of child abuse resulting in death, Adam Price is now facing two first-degree murder charges for the deaths of this two children, Emily and Theodore. 

Forensic evidence released earlier this month indicated Emily and Theodore had been smothered. 

Price remains in jail until trial on a $2.5 million bond. He will be arraigned next week.