August 3, 2016 6:00 pm Rio Beefs Up Security Ahead of 2016 Summer Olympics NBC 6’s Adam Kuperstein has the latest on how security has been enhanced for the 2016 Olympics in Brazil. US & World Videos 1:39 6 to know – Top stories of the day 0:45 Men accused of sexually assaulting teen get probation 2:30 Mother remembers son killed while riding scooter in North Lauderdale 2:44 Families of teens in viral boat trash dump video speak out after arrests 2:24 Teens facing felony charges for dumping trash in Boca Inlet