It's a mysterious death that has made world headlines.

The victim was found with a bullet in his head.

He was an Argentine prosecutor with 10 bodyguards and a long list of enemies, including the

country's president and foreign minister.

One of the great mysteries is whether Mr. Nizmann killed himself

or whether he was murdered.

So what do you think?

That I am part of that mystery. I don't know.

Lance Corporal Jonathan F. Stroud. Lance Corporal Gregory F. Stroud.

Lance Corporal Gregory A. Posey.

This was September 2009.

We were there as golf companies stood rigid in a mud-walled memorial service.

It was the first time the troops had come to grips with the terrible loss, signified by

seven battlefield crosses.

And we wondered, what's become of them?

We caught up with them on a field trip, part of their Washington reunion.

What do they think of their war?

Was coming home the homecoming they hoped for.

When he made his comeback, Levine, now in a wheelchair, before even lifting his baton, got a standing ovation.

He would conduct Mozart's cozy fantuti, one of his favorites. If you could see music, as well as hear it, you would see it in the face of James Levine.

I'm Steve Croft. I'm Scott Pelly. I'm Anderson Cooper. I'm Lara Logan. I'm Bill Whitaker.

I'm Leslie Stahl. Those stories, including one of the last completed by our colleague Bob Simon

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