The three of them try to figure out the truth behind who killed David.

Whatever, or whoever, killed David, is the reason for the alert.

I started to realize that she had been preparing herself to kill David for years.

What about the cleaners she once used to mix to try to kill David?

The prosecutor said three shots were fired and the second shot killed David instantly.

Mo said he killed David, but of course he didn't.

So, technically, either one of us could have killed David.

Helping you find who killed David gets me off the hook.

"You kill David, where are you going to find someone else at this late date?"

He had killed David and now he wanted to kill himself.