The most complete picture yet of what happened to Steve McNair, the former NFL quarterback - and hometown hero - found shot to death in July. Nine years ago, McNair led his team, the Tennessee Titans, to the Superbowl. But now, in candid conversations, insiders reveal what may have led him to a life in which he found far more danger off the field than he ever faced on it.
NBC's Lester Holt reports on "The Mysterious Death of a Titan" on Dateline Monday at 10 p.m. ET, 9 p.m. CT.