In this photo released by the Coast Guard, Nick Schuyler clings to the engine of an overturned boat in the Gulf of Mexico on March 2. Schuyler is the only survivor of the boating accident.

TRAGEDY AT SEA: Doomed by improper anchoring
An investigation concludes the four football players were inexperienced and careless. They clung to the boat after the accident, but one by one three fell away as hypothermia set in.
Video: Sequence of events
The documents: ACISS report | Investigation report |
Animation: See what went wrong

Previous coverage:

Hundreds gather at memorial for Will Bleakley

Coast Guard spent $1.6 million in search

Family of NFL player Marquis Cooper asks that search end

Two days before tragedy, NFL player was urged to buy life-saving device

As 3 friends slipped away, Nick Schuyler held on

Gulf of Mexico can quickly turn dangerous

Nick Schuyler tells strange story of others' fate

Photos: View images from the rescue

Watch video: EPIRB can save lives