Definition of investigate | Bee Dictionary of English

v investigate scientifically
Let's investigate the syntax of Chinese
v conduct an inquiry or investigation of
The district attorney's office investigated reports of possible irregularities

A British coroner asks police to investigate the death of the Princess of Wales, reviving all those wild conspiracy theories.
House Speaker Nancy Pelosi said today shed like to form a Pecora-style commission to investigate what happened on Wall Street that perpetrated the financial crisis.
The president's reversal follows days of White House assurances that Obama's Department of Justice would not investigate or prosecute those who ordered or administered the .

Police investigate 'suspicious death' near Dixie Hwy
Michigan State Police troopers have been called to investigate a man's "suspicious death" at a home on Dixie Highway, not far from Kansas Ave.
June 12, 2013 - WNEM TV 5 Mid-Michigan
RWU research will investigate mercury levels in scup
Researchers at Roger Williams University have been awarded a $12,166 grant to investigate levels of mercury in scup, a native Atlantic Ocean fish that is commonly caught and eaten in Rhode Island, the university announced Monday.
June 11, 2013 - Providence Business News
Grand jury to investigate deadly Philadelphia building collapse
A grand jury will investigate last week's deadly building collapse in Philadelphia to determine whether anyone besides a crane operator will face criminal charges in the case, Philadelphia District Attorney Seth Williams said Monday.
June 10, 2013 - CNN

Barack Obama in RadioFreeEurope/RadioLiberty
The existence of this facility underscores Iran's continuing unwillingness to meet its obligations under UN Security Council resolutions and IAEA requirements,Obama said. "We expect the IAEA to immediately investigate this disturbing...
Chris Huhne in Press and Journal
Mr Huhne said: "The police should interview those peers who have been named and investigate whether they have used any parliamentary procedures to further the interests of their clients."
Milan Smith in San Francisco Chronicle
The government lacks "the power to arrest and detain or restrict American citizens for months on end ...... merely because the government wishes to investigate them for possible wrongdoing," Judge Milan Smith, an appointee of former President...