Arizona’s law enforcement disciplinary board opened five new misconduct cases involving current and former cops from across the state, including an officer who allegedly lied about sleeping with the department’s internal investigator tasked with conducting inquiries into her work. During its May 15 meeting, the Arizona Peace Officer Standards and Training Board also voted against opening a case for an officer who allegedly failed to establish probable cause before searching a man he alleged was trespassing — a misstep the officer was previously warned to avoid, according to a board compliance analyst who spoke at the meeting…