For five years, as a criminal case against his former girlfriend Catherine Hoggle has held fairly steady, Troy Turner’s emotions have swung up and down.

They started with hope: He’d find the couple’s two children, Jacob, 2, and Sarah, 3, who’d gone missing after being under Hoggle’s care. That gave way to deep frustration: Hoggle wouldn’t say what happened to them, even as she was locked in a Maryland jail and then transferred to a state mental hospital. Then Turner came to a terrible conclusion: Hoggle had killed the children and wouldn’t tell anyone where their bodies were.

On Tuesday — while appearing before a judge who over the next few weeks will weigh whether to dismiss murder charges against Hoggle in the case — Turner got a chance to speak in court.

Hoggle sat just 15 feet away.

“I’ve heard people refer to it as a mystery. There is no mystery. Catherine planned, carried out a plan, and killed my children,” Turner said, his voice choking. “Right now, the person who murdered them, I’m looking at her.”