"Four Cops Shot" is the seventeenth episode of the twentieth season as well as the 450th episode of NBC

NBC

The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...

's long-running legal drama

Legal drama

A legal drama is a work of dramatic fiction about crime and civil litigation. Subtypes of legal dramas include courtroom dramas and legal thrillers, and come in all forms, including novels, television shows, and films. Legal drama sometimes overlap with crime drama, most notably in the case of Law...

 Law & Order

Law & Order

Law & Order is an American police procedural and legal drama television series, created by Dick Wolf and part of the Law & Order franchise. It aired on NBC, and in syndication on various cable networks. Law & Order premiered on September 13, 1990, and completed its 20th and final season on May 24,...

. This episode was originally intended to be the season finale

Season finale

A season finale is the final episode of a season of a television program...

 episode, but due to the 2010 Tonight Show conflict; NBC

NBC

The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...

 ordered six more episodes to the season.

Plot

The episode starts out where Anita Van Buren

Anita Van Buren

Lt. Anita Van Buren is a fictional character on NBC's long running police procedural and legal drama television series Law & Order, portrayed by S. Epatha Merkerson. By episode count, she is the longest-running character on the show...

 (S. Epatha Merkerson

S. Epatha Merkerson

S. Epatha Merkerson is an American film, stage, and television actress. She has won a Golden Globe, Emmy Awards, Screen Actors Guild Awards, Obie Award and four NAACP Image Awards. She has also received two Tony Award nominations...

) is at her doctor's office (Deirdre O'Connell

Deirdre O'Connell

Eleanore Deirdre O'Connell was an Irish actress, singer, and theatre director who founded Dublin's Focus Theatre.-Biography:...

) where she is told she came off her radiation

Chemotherapy

Chemotherapy is the treatment of cancer with an antineoplastic drug or with a combination of such drugs into a standardized treatment regimen....

 just fine and her hemogoblin levels are up. She will go back to her doctor in three months to see if the tumor has shrunk. Then Detectives Lupo

Cyrus Lupo

Det. Cyrus "Lupes" Lupo is a fictional character on the long-running NBC series Law & Order, played by Jeremy Sisto. He replaced Nina Cassady, who was written out of the show due to Milena Govich's departure from the cast.-Character development:...

 and Bernard

Kevin Bernard

Kevin Bernard is a fictional character on the TV crime drama Law & Order, portrayed by Anthony Anderson.- Character overview :Detective Bernard first appears in the episode "Burn Card" as an Internal Affairs detective, investigating a shooting in which Detective Ed Green is involved...

 are called to a scene where four police officers were shot and killed, at a local pizzeria. With a room full of witnesses, they have a small description of the culprit but that's all. The case becomes even more confusing when they discover that the police officers may have known the shooter. The investigation quickly leads them to a drug cartel, a jealous husband, and a penitent judge who are all linked together. Tensions rise from both the homicide units, the DA's

District attorney

In many jurisdictions in the United States, a District Attorney is an elected or appointed government official who represents the government in the prosecution of criminal offenses. The district attorney is the highest officeholder in the jurisdiction's legal department and supervises a staff of...

 office, and even to the U.S. Attorney.

Based on the Lakewood, Washington police officer shooting

Cast

Actor	Role
Jeremy Sisto Jeremy Sisto Jeremy Merton Sisto is an American actor. Sisto has had recurring roles as Billy Chenowith on the HBO series Six Feet Under and Detective Cyrus Lupo on Law & Order on television and also starred in the films Jesus, Clueless and Thirteen.-Early life:Sisto was born in Grass Valley, California, the...	Det. Cyrus Lupo Cyrus Lupo Det. Cyrus "Lupes" Lupo is a fictional character on the long-running NBC series Law & Order, played by Jeremy Sisto. He replaced Nina Cassady, who was written out of the show due to Milena Govich's departure from the cast.-Character development:...
Anthony Anderson Anthony Anderson Anthony Anderson is an American actor, comedian, and writer. He has starred in his own sitcom All About the Andersons, as well as the Fox sitcom The Bernie Mac Show during the fifth and final season of the show. He is also known for his leading roles in television dramas such as K-Ville, The...	Det. Kevin Bernard Kevin Bernard Kevin Bernard is a fictional character on the TV crime drama Law & Order, portrayed by Anthony Anderson.- Character overview :Detective Bernard first appears in the episode "Burn Card" as an Internal Affairs detective, investigating a shooting in which Detective Ed Green is involved...
S. Epatha Merkerson S. Epatha Merkerson S. Epatha Merkerson is an American film, stage, and television actress. She has won a Golden Globe, Emmy Awards, Screen Actors Guild Awards, Obie Award and four NAACP Image Awards. She has also received two Tony Award nominations...	Lt. Anita Van Buren Anita Van Buren Lt. Anita Van Buren is a fictional character on NBC's long running police procedural and legal drama television series Law & Order, portrayed by S. Epatha Merkerson. By episode count, she is the longest-running character on the show...
Linus Roache Linus Roache Linus William Roache is an English actor.-Early life:Roache was born in Manchester, the son of Coronation Street actor William Roache and actress Anna Cropper. Roache was educated at Bishop Luffa Church of England School in Chichester, West Sussex and at the independent Rydal School in Colwyn Bay,...	EADA Michael Cutter Michael Cutter Michael "Mike" Cutter is a fictional character on the long-running NBC series Law & Order and its spinoff Law & Order: Special Victims Unit played by Linus Roache. The character debuted in L&O's eighteenth season premiere, broadcast January 2, 2008, and remained through its series finale on May...
Alana de la Garza Alana de la Garza Alana de la Garza is an American actress. She is most famous for her role as A.D.A. Connie Rubirosa on the television series Law & Order and its short-lived spin-off, Law & Order: LA.-Biography:...	ADA Connie Rubirosa Connie Rubirosa Assistant District Attorney / Deputy District Attorney Consuela "Connie" Rubirosa is a fictional character, portrayed by Alana de la Garza, who joined the cast of long-running NBC drama series Law & Order during the 17th season premiere episode "Fame". She is the only second-chair ADA of Law &...
Sam Waterston Sam Waterston Samuel Atkinson "Sam" Waterston is an American actor and occasional producer and director. Among other roles, he is noted for his Academy Award-nominated portrayal of Sydney Schanberg in 1984's The Killing Fields, and his Golden Globe- and Screen Actors Guild Award-winning portrayal of Jack McCoy...	DA Jack McCoy Jack McCoy John James "Jack" McCoy is a fictional character in the television drama Law & Order, created by Michael S. Chernuchin and played by Sam Waterston since 1994. He is the second-longest tenured character on the show, after Lt. Anita Van Buren . On January 28, 2009, McCoy's character ended the longest...
Margaret Colin Margaret Colin Margaret Colin is an American actress. She is known for her role as Margo Montgomery Hughes # 1 on As the World Turns and for her role as Eleanor Waldorf-Rose on Gossip Girl.-Early life:...	Mary Markson

Production

"Four Cops Shot" was directed by Jim McKay and written by Matthew McGough, Luke Schelhaas, and Ed Zuckerman.

Reception

In its original American broadcast on March 22, 2010, "Four Cops Shot" was watched by 5.93 million average households over the hour, among viewers aged between 18 and 49, according to Nielsen ratings

Nielsen Ratings

Nielsen ratings are the audience measurement systems developed by Nielsen Media Research, in an effort to determine the audience size and composition of television programming in the United States...

. The ratings for Law & Order have decreased since the timeslot change.