Tyler Devlin Cook, 30, of Doylestown, is wanted for felony assault and disorderly conduct, said Central Bucks Regional Police Department in a statement.
Investigators said Cook was at a high school football game on Friday, Nov. 11 when he began loudly cursing at students in the bleachers.
Cook then approached a police officer and began to argue with him, authorities said. When the officer told Cook to leave the area, police said the 30-year-old spit in the officer's face.
Central Bucks police are asking anyone with knowledge of Cook's whereabouts to call 215-345-4143 or to submit an anonymous tip online on the Bucks County Crime Watch webpage.
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