Investigators conducted two weeks of forensics.

The investigators still haven't determined the cause of the accident.

The investigators worked quickly to identify the body.

His career as an investigator began in New York.

according to investigators

be questioned by police investigators

It was one of these agents who tipped off collector Keya Morgan to its existence."MB004410", "2381809"

send investigators to

FBI agent on someone's trail

Umida Ahmedova learned about investigations against her and her colleagues' work on 17 November 2009 when an investigator of Tashkent police station summoned her as a witness.〔【出典】アムネスティ発表国際ニュース（2010年2月8日） 〕

Doug Carlin （Denzel Washington）, an agent of the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives （ATF）, is sent to investigate the case.〔【出典】Catch a Wave, 2007年3月23日号◆【出版社】株式会社浜島書店 〕

According to the FBI, he was killed during an exchange of gunfire in which an agent was wounded.〔【出典】アムネスティ発表国際ニュース（2005年9月27日） 〕

undercover FBI agent

The FBI denied any wrongdoing, stating that its agents were instructed to wait for backup before entering the house because of a fear that it might contain explosives.〔【出典】アムネスティ発表国際ニュース（2005年9月27日） 〕

F.B.I. agents search for evidence of the serial sniper near the scene of a shooting.〔写真の説明文◆【出典】Catch a Wave, 2002年10月25日号◆【出版社】株式会社浜島書店 〕

before the feds move in〈米話〉

The FBI agents donned protective gear before going inside.◆【使い方に注意】don〈文〉

F.B.I. agent Carl Hanratty （Tom Hanks） becomes determined to catch the check forger.〔【出典】Catch a Wave, 2003年3月28日号◆【出版社】株式会社浜島書店 〕

be exposed by an undercover agent

Again, the social media have played two roles, that of an investigator, and a pressure-maker.〔【出典】Global Voices Online◆【英文】Alexey Sidorenko ◆【和訳】Yukari Sugiyama ◆【License】CC BY 3.0 〕

The clip was shot in the late 1950s and has only previously been seen by FBI agents investigating the star's death."MB004410", "2477997"

This is just the latest in a series of embarrassing mishaps for the FBI over the past few months, including the arrest of veteran agent Robert Hanssen on espionage charges and the agency's failure to turn over thousands of pages of evidence related to the case of Oklahoma City bomber Timothy McVeigh."VOA-0118", "2533824"

Here various officials like immigration security officers, immigration inspectors, and special investigators conduct repeated investigations.〔【出典】『日本人との結婚』（水瓜博子著）◆【出版社】株式会社ヤック企画 〕"YA18-045", "2319406"

This means undercover agents all over North and South America are in danger.〔【出典】Catch a Wave, 2006年9月8日号◆【出版社】株式会社浜島書店 〕

But the trafficking organization is protected by top-class security, and once the detectives get inside the traffickers' headquarters, they are on their own.〔【出典】Catch a Wave, 2006年9月8日号◆【出版社】株式会社浜島書店 〕

However, chief investigator police general Made Pastika says authorities have not found evidence to support that theory."VOA-0165", "2324989"

However, the circumstances have been further disputed by Ojeda Rios' wife （the only other witness to the incident） who has reportedly claimed that agents went inside the farmhouse and shot Ojeda Rios during the initial confrontation.〔【出典】アムネスティ発表国際ニュース（2005年9月27日） 〕

But at the retrial, the presiding judge said their statements could have been prompted by the investigators.〔【出典】Catch a Wave, 2011年6月10日号◆【出版社】株式会社浜島書店 〕

All the Israeli investigations have been carried out by army commanders or by the military police criminal investigators and overseen by the Military Advocate General, severely compromising their independence and impartiality.〔【出典】アムネスティ発表国際ニュース（2010年2月2日） 〕

All the afternoon he sat in the stalls wrapped in the most perfect happiness, gently waving his long, thin fingers in time to the music, while his gently smiling face and his languid, dreamy eyes were as unlike those of Holmes the sleuth-hound, Holmes the relentless, keen-witted, ready-handed criminal agent, as it was possible to conceive.〔【出典】日英対訳文・対応付けデータ（独立行政法人情報通信研究機構）〕"_RED-HE2", "2239906"

Some of the missing weapons are being traced to a retired FBI agent."VOA-0118", "2452856"

Investigations often fall short of international standards, which require investigators to be independent of those allegedly responsible and to have the necessary investigative skills and resources.〔【出典】アムネスティ発表国際ニュース（2006年7月25日） 〕

What makes Internet-based terrorism particularly challenging, says Austin Berglas, who oversees over 1000 special agents in the FBI's New York Cyber Branch, is the way the Internet makes their identities and physical locations extremely difficult to trace."VOA-T397", "2558351"

An FBI investigator, played by Edward Norton, pursues a killer called "Red Dragon" with help from the man-eating criminal, Lecter."MB001278", "2245519"

Mr. Yeltsin also said he would work with American investigators looking into the illegal moving of money through a New York bank."VOA-E045", "2406706"

Of all the forms of online crime, child predators on the Internet are the most worrisome, says Gina Osborn, assistant special agent in charge of cyber programs in the Los Angeles office of the Federal Bureau of Investigation."VOA-T306", "2416985"

Detective Keith Frazier （Denzel Washington） hurries to the scene and tries to talk to the leader of the gang, Dalton Russell （Clive Owen）.〔【出典】Catch a Wave, 2006年6月9日号◆【出版社】株式会社浜島書店 〕

Marshal Gerrard

Choudhry told officers investigating the case that she had been motivated by videos she'd watched on YouTube."VOA-A210", "2279822"

Denzel Washington plays Doug Carlin, a federal investigator who suspects a connection between a deadly bombing on a New Orleans ferry and the separate murder of beautiful Claire Kuchever （Paula Patton）."A-MT-001", "2284100"

John Anderton, played by Tom Cruise, is the Chief detective of a Pre-Crime Unit which solves all crime cases before they actually take place."MB001098", "2389686"

Nicole Kidman stars as Silvia and Sean Penn plays a federal agent who protects her."MB002900", "2411428"

high-tech crime investigator

Farrell and Foxx underwent three months of training so they could shoot and act like elite undercover detectives.〔【出典】Catch a Wave, 2006年9月8日号◆【出版社】株式会社浜島書店 〕

longtime agent

veteran agent