In early 2003, an 80-foot Taiwanese fishing vessel was found drifting in the Pacific with its engine recently running, fuel in the tank, personal belongings untouched, and the cargo hold full, but not a single soul aboard. The Hai Aim 6 became a modern-day ghost ship, the ultimate locked-room mystery set adrift in the vastness of the open ocean.

What began as a baffling discovery in Australian waters unraveled into a documented international investigation involving radar tracking, forensic analysis, and a tangled jurisdictional nightmare. A single careless digital breadcrumb cracked the case wide open, revealing a grim human tragedy that the sea had nearly swallowed whole.

• What the untouched belongings and absent distress signals told investigators about the nature of the disaster
• How a locked rudder and dead engine prove ...