Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Jennifer Jareau:  So , Garcia discovered part of Dolan 's military records were encrypted . I just got the complete file from the Pentagon ; he was n't a clerk , he was a Navy SEAL .
David Rossi: Well , let me guess : Adam Werner was , too .
Jennifer Jareau: Yeah , Werner was the SEAL team leader , Dolan was his number two . Their unit was part of JSOC ; they were involved in over twenty highly classified missions .
David Rossi: Which missions were in 2000 ?
Jennifer Jareau: Uh ... only _ one _ , Operation Dorado Falls .
David Rossi: See what you can find out about it .
Jennifer Jareau: Will do .
Aaron Hotchner: That changes the profile .
David Rossi: Definitely .
Jennifer Jareau: How so ?
David Rossi: Navy SEALs are screened carefully for vulnerability to PTSD ; they 're resistant to it .
Jennifer Jareau: Okay , so why would a trained Navy SEAL kill his commanding officer and his own parents ?
Aaron Hotchner: I do n't know , but it 's gon na be a lot harder to find him .
David Rossi: Very few people on this planet are capable of stopping him .

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