Miami-Dade October 18, 2021 7:12 am 6 to Know: Top Stories of the Day US & World Videos 0:20 Video shows boaters dumping trash into the ocean 1:23 Video shows security guard grab gunman who opened fire at Florida party 2:36 Large federal investigation into suspects in Homestead woman's fatal abduction 0:34 Shooting investigation underway in Miami Gardens neighborhood 0:45 Orange County sheriff discusses arrest of ‘potential serial killer'