A/N: Keep those reviews coming!

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Gibbs watched Kate as she sat at her computer. He knew he needed to tell her. And for some unknown reason he felt like he should tell alone, without anybody else around. She would go through the shock, the anger, the denial, and she would probably protest to protection. He didn't care; he wasn't going to let this guy anywhere near her.

The latest victim, a Lt. O'Connor, could've been Kate's twin. And the fact that the guy knew what Kate looked like made Gibbs uneasy, to say the least. It was obvious the guy had problems, he was probably psychotic, and had a problem with women. His first victim was a Navy psychiatrist. His second was a Marine staff sergeant. His third was a Marine plane captain. And now a Navy doctor. There was no pattern to the crimes. All were strangled with a thin string. Possibly the string Kate found at the latest scene; Abby was analyzing it now.

What Gibbs didn't understand why he would break pattern and go after Kate. It didn't make any sense. She wasn't military and she wasn't an authority figure. So it didn't make sense to him that this guy would go after her.

"Hey! Gibbs, you comin?" Kate said loudly, standing by his desk. Tony was standing next to her, looking at him strangely.

"Yeah." He said, standing as well.

"You okay?"

"Yeah."

Kate looked at him skeptically but didn't say anything. She just turned and walked towards the elevators.

He wasn't sure where they were going, but he figured it was down to Ducky or Abby.

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"It took me a while, but I figured out what that metal string was. It wasn't a guitar string. It was a piano wire." Abby explained.

"Aren't piano wires clear?" Tony asked.

"Yeah. The reason the wire looked like it was a guitar string is because it was all dried blood."

"From our victim?" Gibbs questioned.

"Yes. And no. It has blood from Lt. O'Connor and the three previous victims. This guy used the same wire to kill all four women."

"What does this mean? Our guy is too smart to just leave it there by accident. It was done on purpose; it's like he's trying to send us a message." Kate said. Gibbs knew why. The guy was gonna do something a helluva lot worse if he got his hands on Kate. But, Gibbs knew that wasn't going to happen. He would die before the bastard got within fifteen feet of her.

He told himself he was so protective of her because she was his agent. She was under his command, so to speak. And he would continue to tell himself that, no matter what.