Review and breakdown of Glendale Police Officer use of force on disabled man in car.A Glendale police officer has resigned after an internal investigation found he improperly used force on an unarmed suspect by striking him repeatedly on the head with his Taser, officials said Wednesday.An internal report provided by the department says officer Joshua Carroll also had five previous disciplinary action against him between 2016 and January of this year before the latest incident, which took place in June.