Larry Heiny of Sarasota rallies the crowd after a USF medical marijuana rally in Tampa in 2014.
Larry Heiny of Sarasota rallies the crowd after a USF medical marijuana rally in Tampa in 2014. CHERIE DIEZ AP
Larry Heiny of Sarasota rallies the crowd after a USF medical marijuana rally in Tampa in 2014. CHERIE DIEZ AP

Does legal marijuana cause deadly car wrecks? Numbers tell a story

May 10, 2016 10:30 AM