While on roving patrol during the evening shift, you come across a vehicle that had veered off

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Question:

While on roving patrol during the evening shift, you come across a vehicle that had veered off the road and struck a parked vehicle. When you approach the vehicle, you immediately recognize that the driver is Captain Jones from your department who was driving his wife's vehicle. Assume that Captain Jones' behavior and actions clearly suggest that he is intoxicated.

Should you arrest Captain Jones, assuming that he subsequently failed the field sobriety test, or should you call his wife to pick him up? Explain how you would proceed and why. (Be sure to showcase your critical thinking skills when explaining "why.")