How Much Truth Is There to Those ‘Speed Enforced by Aircraft’ Signs?

We've all seen the signs warning us of eyes in the sky looking for speeders. A Bay Curious listener wanted to find out if someone really was up there ready to hand out tickets. Reported by Kelly Dunleavy O'Mara. Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour and Julia McEvoy. Theme music by Pat Mesiti-Miller. Ask us a question at BayCurious.org. Follow Olivia Allen-Price on Twitter @oallenprice.