I said, to be over contemplating committing the perfect murder, and he said, yes, the key

element to that is making sure that someone is caught.

Once I have somebody, they'll stop looking, and that's how you can get away.

A cold-blooded killing of victim worth millions at all kinds of conflicting clues.

I've never had a case that's complicated before.

The police following multiple leads until we ask who is that?

He says he's my neighbor, he lives two floors below.

A suspect under arrest.

Having so much love just taken away.

Case closed or was it?

Could there be something else or someone else they'd missed?

There were so many parts of the puzzle that were not adding up.

Someone had pulled the trigger, but had someone else pulled the strings.

He was a type of guy that could take bad luck and turn it into a fortune.

Thanks for joining us, I'm Lester Holt.

A lot of us complain about our neighbors, but the residents of the building in this story

often hung out, partied, and did business together.

They seemed to see one another as friends, until the terrible day when some began to wonder

whether one neighbor was actually a mastermind, who saw the rest of them as pawns.

Here's Keith Morrison.

7 a.m.

November 15, 2007.

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