He'd spent long hours observing her, like a sniper, trying to take in everything about her. He used skills learned in Special Ops: stealth and guile. He moved silently, and made himself practically invisible, blending into the surroundings. He could move from place to place without being noticed, so he followed her, and she never suspected a thing.
He knew her favorite restaurant, her favorite salad dressing, her favorite color, her computer passwords, and what she used for her ringtone. He knew what she ate for breakfast and that she drank her tea without sugar. He could recognize all of her moods and the nuances of her facial expressions and he learned what her different vocal inflections meant. He'd watched at a distance as she shopped for shoes and groceries, making notes, using these clues to understand his quarry.
He used her friends to gather more information on her movements and her habits. He knew where she was every minute of every day. Nothing she could do would be missed by his trained eyes. He knew everything she did, who she did it with, and where she was when she did it. He realized she was actually quite predictable….something he could use to his advantage. Soon he'd be able to gain his objective.
Finally all of his reconnaissance gave him the knowledge he needed to complete his mission. She had no more secrets….he knew everything. His objective was in reach. All he needed was to be in position to pull the trigger.
"Happy Anniversary, Bones! I hope you like it!" He gave her a wrapped jewelry box.
"Oh, Booth….it's perfect. You had this necklace custom made for me? It's like you knew exactly what I wanted. How did you manage to keep this a secret from me?"
He laughed. "I'll never tell!"