Mannequins dangled from two billboards during the morning parade . It 's not clear who was behind the stunt . The signs were removed a couple of days later . Despite the flurry of calls from commuters , Elliott said the signs led to no accidents on the freeways . The Nevada Highway Patrol calls it revenge .
Mannequins dangled from two billboards during the morning parade . It 's not clear who was behind the stunt . The signs were removed a couple of days later . The Nevada Highway Patrol calls it revenge .