The BAU co-work with the U.S. Army to find the perpetrator behind an anthrax attack on a park in Annapolis, Maryland.



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Episode cast overview, first billed only:
General Lee Whitworth, MD
Dr. Linda Kimura
Chad Brown
Dr. Nichols
Senator Baylor
Russ Daniels
Eric Brandon ...


Within 18 hours of their common time together, 12 people who visited Quiet Hills Park in Annapolis, Maryland, have died from anthrax poisoning, with at least 13 more in emergency rooms headed in the same direction. It is a highly sophisticated strain of anthrax, meaning that it was developed by someone with a science background. The military is called in as the BAU believes that such scientific work is the specialty of the military, the resulting pathogen was used as a potential WMD. Although the strain of the pathogen is not being used by the military, military scientists are the most likely candidates able to develop such a strain. The attack site, a family-oriented public park, is contrary to such work, and thus the BAU believes the site is personal to the perpetrator. Because of the panic it could cause, there is a media blackout on the story, which negatively affects some on the team, some for personal and some for professional reasons. The team is hit even harder when deep into ... Written by Huggo

Plot Summary | Plot Synopsis






Release Date:

13 May 2009 (USA)  »

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Aspect Ratio:

1.78 : 1
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Did You Know?


When General Whitworth first arrives at the BAU, he and Hotch discuss the handling of Dr. Hatfill in 2001. Dr. Steven Hatfill was a virologist and biological weapons expert at Fort Detrick. In 2002, Hatfill became the prime suspect in the 2001 anthrax attacks. His personal and professional life were severely damaged by the investigation. Hatfill sued the government. In 2008, the government settled the lawsuit by paying Dr. Hatfill $4.6 million (after attorney fees). The Justice Department also officially exonerated him, stating that after their intensive investigation, it was clear Dr. Hatfill was in no way involved in the attacks. See more »


Hotch and Morgan were driving to the Frederick Metro train station to apprehend the unsub but before they got to the station the scene cut to an image of the New York City 59th street (N,R,W,4,5,6) subway station to help establish the location not a DC Metro station. See more »


General Lee Whitworth, MD: But the study said the red line
Aaron Hotchner: The profile says he's going to Frederick. That's where I'm going. And I could really use your help
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References Raiders of the Lost Ark (1981) See more »


Theme from Criminal Minds
Written by Marc Fantini and Steffan Fantini
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User Reviews

The case of the anthrax attack
30 November 2016 | by (United Kingdom) – See all my reviews

Season 4 is a contender for the best 'Criminal Minds' season, with so many fantastic episodes and even lesser episodes such as "Demonology" and "Catching Out" not being bad at all.

"Amplification" is up there with the fantastic episodes of the season, and almost up there with the best of the show overall. What was immediately impressive was that it took a very familiar idea that has been portrayed a number of times in media and made a tense, suspenseful and thrilling episode where one really finds themselves caring for the characters and their welfare.

The story is incredibly compelling throughout, with tension, suspense and thrills aplenty as well as emotional impact, showing the full horrors of something as terrifying as an anthrax attack. The script is tautly structured and thought-provoking, doing a wonderful job with developing the BAU team and how the case affects them personally, Reid and Morgan are especially well done here. Love the chemistry between JJ and Hotch (very touching bonding scenes), Reid and Morgan (almost like brothers) and Rossi and Prentiss (their ending scene being a standout, showing a compassionate side to Rossi).

Production values are stylish, classy and atmospheric, while the music is hauntingly moody. The acting is very good, with particularly brilliant performances from Matthew Gray Gubler (not surprising, he has always been a bright spot, even in lesser episodes when he isn't underused) and Shemar Moore.

Overall, fantastic episode that does wonders with an old idea, but with such great execution it was an idea that didn't feel old. 10/10 Bethany Cox

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