Miller rejected accusations of domestic abuse and drug use from his ex-wife, Emily Moreno, daughter of Sen. Bernie Moreno, R-Ohio.

"I do believe those struggles have contributed to allegations that I firmly dispute," he said of his ex-wife's medically diagnosed condition.

Senator Bernie Moreno says congressman and former son-in-law should step down after ex-wife’s allegations

Rep. Max Miller added he and his aides would "be providing the committee all necessary documents needed for a detailed examination."