Maricopa County Sheriff’s Office(GLENDALE, Ariz.) — A man has been arrested and charged after he allegedly impersonated a law enforcement officer and brought a weapon to the stadium where Charlie Kirk’s memorial service will be held on Sunday, according to officials. Runkles was arrested at State Farm Stadium in Glendale, Arizona, after showing “suspicious behavior,” according to Arizona DPS. Runkles is not a law enforcement officer, according to DPS. The U.S. Secret Service said it was investigating in coordination with local law enforcement an “individual who was observed exhibiting suspicious behavior” at State Farm Stadium. The individual was approached by Secret Service agents and said during the encounter that he was a member of law enforcement and that he was armed, a Secret Service spokesperson told ABC News.