Prescott Valley Police are looking for a 16-year-old girl after she left home Monday night. Police are looking for Kayla Cox, who left her home on Agua Fria Drive and hasn’t returned home. Cox has a diagnosed mental illness and has a history of suicide attempts. It’s possible she may be in the Phoenix or El Mirage area. Cox is also diabetic and left without her insulin. She does not have a cell phone or other electronic devices. If anyone knows her whereabouts, contact Prescott Valley Police at (928) 772-9267 or contact Yavapai Silent Witness at 1-800-932-3232.