Brian Hooker remains under police investigation after his wife disappeared from their boat during a nighttime excursion in the Bahamas.Authorities shifted search efforts to recovery mode while the US Coast Guard assisted local police near the Abaco Islands.The suspect fell overboard from a police vessel while handcuffed during transport but survived with only minor abrasions and knee pain.Family members have raised concerns about a history of domestic violence between the couple who lived on a yacht for years.