Does a district court violate the Sixth Amendment or otherwise err when it grants a defendant's motion to represent himself shortly before trial but, without good cause, denies him a continuance to prepare his defense?

Questions Presented 1. Does a district court violate the Sixth Amendment or otherwise err when it grants a defendant’s motion to represent himself shortly before trial but, without good cause, denies him a continuance to prepare his defense? 2. May a witness present lay opinion testimony identifying the defendant in photos or videos if the witness’s purported familiarity with the defendant was based solely on review of other photos or videos, or on a law enforcement officer’s brief contact with the defendant at the time of his arrest? ii