Can police officers testify about a defendant's ability to safely operate a vehicle? State v. Fraughton Explained

In State v. Fraughton, the Utah Court of Appeals addressed whether police officers can offer opinion testimony regarding a defendant’s capability to safely operate a motor vehicle in DUI cases, and the standards for obtaining rule 23B remands for ineffective assistance claims.

Background and Facts

Troy Fraughton caused a head-on collision while driving westbound in the eastbound lane on Center Street in Spanish Fork. Responding officers observed multiple signs of intoxication: alcohol odor, bloodshot eyes, slurred speech, balance issues, and red, puffy face. Fraughton refused field sobriety tests and was transported to jail. A warrant-authorized blood draw revealed a BAC of .27—over five times the legal limit. At trial, two officers testified they would not have allowed Fraughton to continue driving, over defense objections that sought to exclude this opinion testimony.

Key Legal Issues

The court addressed two primary issues: (1) whether the trial court abused its discretion in admitting police officer opinion testimony about Fraughton’s driving capability under Utah Rule of Evidence 701, and (2) whether to grant a rule 23B remand to develop evidence supporting ineffective assistance of counsel claims regarding the blood sample’s chain of custody.

Court’s Analysis and Holding

The court denied the rule 23B motion because Fraughton failed to provide nonspeculative allegations of facts not already in the record. Expert opinions expressing “concerns” about potential problems with blood sample security were insufficient without affidavit testimony showing actual improper handling. Regarding the officer testimony, the court found any error was not prejudicial because the jury convicted on alternative grounds—both that Fraughton’s BAC exceeded .05 and that he was incapable of safe operation. Exclusion of the officer opinions would only affect the second ground, leaving the BAC conviction intact.

Practice Implications

This decision clarifies that rule 23B remands require specific factual allegations supported by witnesses with actual knowledge, not merely expert speculation about potential issues. For DUI cases with alternative conviction grounds, practitioners should recognize that successful challenges to one ground may not affect the overall conviction if other grounds remain viable. When challenging officer opinion testimony about driving capability, consider whether exclusion would meaningfully impact the case given other evidence presented.