WILMINGTON, Delaware — The criminal trial of President Joe Biden's son heads into its final stretch Monday as the defense tries to chip away at prosecutors' case laying bare some of the darkest moments of Hunter Biden's drug-fueled past.

Hunter Biden's lawyers could call at least one more witness when the case resumes in Delaware's federal court — the first of two trials he's facing in the midst of his father's re-election campaign. It's unclear whether prosecutors will call any rebuttal witnesses before the case goes to closing arguments, and then to the jury.