Cruising is fast becoming one of the most popular ways to travel. This year millions of Americans will board ships going all over the world. But critics of the industry say passengers are left in the dark about the risks out at sea. At issue is how many reported crimes are actually made public. The NBC Bay Area Investigative Unit uncovers what may really be happening. Do you have a story for The NBC Bay Area Investigative Unit? Contact email@example.com or call 1-888-996-TIPS.