Tonight on Dateline. I said goodbye to her outside her house. I walked across the street.

I was the last time I saw her.

Emergency.

Emergency. Emergency. I was

arrested,

stabbed multiple times.

Anthony was seeing Aaron.

He's the prime suspect at that point.

After him, it's basically everybody.

She'd thrown a party.

Suddenly all these people showed up.

People that weren't invited.

No.

The investigation just keeps ballooning,

but it's not really leading us anywhere.

Years of waiting.

It was like this person was a ghost.

All of a sudden the police were who got another case.

There was much more of a fight with Susan.

I was convinced there's going to be a connection between these two victims.

This is technology that is cutting edge.

We're down to one family, five brothers.

...