Anne-Marie Green (48 Hours correspondent)

Now, Juliana had also departed with the Banfield's young daughter for a supposed trip to the zoo.

The door was left unlocked when they left the house ready for Joe's arrival.

Now, Juliana said she parked near the house and tipped Brendan off as to when Joe went inside the house.

Now, Brendan, Juliana and Valerie, all three of them returned to the house and they went around back and they entered through the basement.

Valerie and Juliana stayed downstairs.

Now, this was as Brendan headed upstairs to the bedroom.

But then Juliana followed Brendan.

Juliana testified that when she got to the room, Christine was still alive.

yelling at Brendan that Joe had a knife.

And that's when Juliana said, Brendan shot Joe.

And according to Juliana, Christine was terrified and told her to call 911.

Now, she did make the call, but then claimed that Brendan did some sort of signal for her to hang up, so she hung up right away.

That was the first 911 call.

She stepped away and then returned to see Brendan stabbing Christine.

Juliana said that she also saw Joe moving and warned Brendan and then shot Joe.

Now, she said Brendan had given her a gun earlier that day.

And then she called 911 for real.

And she stood by Brendan, but then ultimately cooperated with the Commonwealth and

and pleaded guilty to manslaughter.

And then Brendan was arrested and indicted.