Murder charges dropped against Minnesota officer Ryan Londregan in death of Ricky Cobb II ABC NewsGov. Walz said he planned to remove attorney Moriarty from state trooper murder prosecution Star TribuneProsecutors drop charges against Minnesota trooper in deadly shooting of motorist Ricky Cobb Fox NewsHCA Mary Moriarty to drop charges against Ryan Londregan KARE11.comCharges dropped against state trooper who fatally shot Black motorist Ricky Cobb II CNN