Enforcement would include spot checks of team offices, including locker rooms, coaches' booths and in-stadium communication systems and equipment as well as "enhanced monitoring of team practices." "Many of these checks will be virtually unannounced and clubs would be expected fully to cooperate with this effort" Goodell wrote. On another matter, Goodell said he supports the use of radios for defensive players to get signals from the sideline, which now are limited only to offense. Full Article at USA Today