Memorial Day weekend is just three days away. That means Urban Beach Week -- and its hundreds of thousands of revelers -- is once again slated to descend on Miami Beach. Three years ago the event was marred when police fired more than 100 shots in an incident that killed 22-year-old Raymond Herisse and injured bystanders. Since then authorities have significantly beefed up their presence, changed crowd-control procedures, and altered traffic patterns. This year Miami Beach Police say they're once again ready for the crowds.