Murder is usually committed by someone who knew the victim.

It was unclear whether they knew the victim, a police official said.

Even people who did not know the victim found themselves unexpectedly shaken.

Some of our local staff members knew the victim, so the mood was pretty low this afternoon.

What I'm concerned about is the fact that you knew the victim.

There'd be people inside who knew the victim, could provide some color, maybe even speculate on what happened.

The boys, who the police said did not have criminal records, knew the victim from the neighborhood.

"But if there isn't a body, how do you know the victim is dead at all? "

And he had never been in the position of knowing the victim.

The fact that they had known the victim, for another.