Episode:Paper Soldiers

is the twelfth episode, in the fourth season of NCIS: Los Angeles, and the eighty-fourth in the series as a whole excluding the back door pilot episodes and any crossovers. 
==Synopsis==
A distraught widow is suspicious of the circumstances surrounding her Marine husband’s last battle and Sam and Callen help to determine if there has been a cover-up. Meanwhile, Hetty summons Operational Psychologist Nate Getz to be her “pawn” and the rest of the NCIS: LA sense another evaluation on the horizon.
==Cast==
===Series Regulars===
===Recurring Cast=== 
===Other Cast===