While on duty, Groves (D), a uniformed police officer for the City of Ft. Collins (D), observed a dog running loose in violation of a City dog leash ordinance. D observed the dog approach P's house, and D asked P's 11-year-old son if the dog belonged to him. The son said that the dog was his dog and that his mother was sitting in her car parked at the curb. P got out of the car and spoke with D. D demanded to see P's driver's license. P replied with her name and address but refused to produce her license. D ordered her to produce her license or go to jail. P responded, 'Isn't this ridiculous?' P was arrested. P was convicted of violating the City's dog leash ordinance. P then sued D for false imprisonment and was awarded $1,500 damages. D appealed because there was probable cause for the arrest, and P was convicted of the crime.