- "Little creep. He's like the bastard grandson of J. Edgar Hoover."
- —Tom Morrow describing Parsons in the Season 10 finale episode, "Damned If You Do".
Richard Parsons is a IG investigator who works for the Department of Defense.
NCIS Season 10
Parsons made his debut appearance in the Season 10 episode, Double Blind (episode) where he arrived at NCIS Headquarters to investigate the main NCIS Major Case Response Team in the aftermath of the fight against rogue Mossad operative, Ilan Bodnar and former Mossad Liaison Officer-turned-NCIS Special Agent, Ziva David.
Due to his resemblance to NCIS Special Agent Timothy McGee, McGee's colleagues, NCIS Special Agent Anthony DiNozzo and Forensic Scientist Abigail Sciuto to state that Parsons was the "evil McGee" or rather McGee's evil doppelgänger.
At the end of the episode, Parsons and his men arrived to take NCIS Special Agent Leroy Jethro Gibbs into custody after it was revealed that Parsons had been targeting Gibbs all along and he was attempting to bring Gibbs to justice due to the fact that Gibbs had been obstructing justice for the last twenty years.
In the Season 10 finale episode, Damned If You Do (episode), Parsons's dreams of ultimately bringing Gibbs to justice were shattered when NCIS Director Leon Vance, Parsons's superior, Thomas Morrow, JSOC Captain Dominick Wayne and Gibbs's lawyer, former JAG Admiral A.J. Chegwidden revealed that Gibbs was now on a mission for JSOC.
NCIS Season 11
After a bombing occurred that resulted in the death of SECNAV Clayton Jarvis in the Season 11 premiere episode, Whiskey Tango Foxtrot (episode), Parsons's perspective on Gibbs and his team changed after Gibbs defended him during an ambush in Iran.
Parsons later repaid the debt by saving Gibbs's life when Gibbs was caught in a surprise gunfight.
Later, back in Washington D.C., Parsons dropped his investigation into NCIS and also granted McGee and DiNozzo permission for both men to get their badges back and become NCIS Special Agents once again although McGee, DiNozzo and Abby all still regarded Parsons with some suspicion.
Despite that, Gibbs's perspective on Parsons presumably changed for the better as a result of Parson's own heroic actions.
In the beginning, Parsons was a man with his own agenda and even willing to turn the NCIS team against each other, all for the sake of exacting justice on Gibbs who had been bending the rules to serve his own purposes for nearly twenty years.