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"Boom," she heard Danny say under his breath for third time that day. She glanced in his direction, and caught his eye.

He looked up from the fiber he held between tweezers, and grinned at her.

Oh yeah, someone is going to get very lucky tonight.

Every 'Boom' moment he had at work, after all the pieces fit together, she gets her own special 'boom'.

Three hours later after examining the fiber and matching it to the uniform one of their suspects wore.

"Boom!" He said, walking into their office slapping the file on his hand. "We gotta match Montana!"

She smiled at his excitement and the twinkle in his eye. Somebody is WAY getting lucky tonight!

"Let's go talk to the lucky contestant, shall we?" she smiled as he gestured for her to go first.

A/N: Prompt from allunwritten 'all the pieces fit'