Search Halted for 3 Americans Missing Off the Mexican Coast Posted by By Johnny Diaz April 20, 2023Posted inCabo San Lucas (Mexico), California, Frank OBrien, Kerry OBrien, Maritime Accidents and Safety, Mazatlan (Mexico), Missing Persons, Sailboats and Sailing, Travel, United States Coast Guard, William Gross Kerry O’Brien, Frank O’Brien and William Gross, who were sailing aboard the Ocean Bound, were last heard from near Mazatlán, Mexico, on April 4.