Andrea Canning reports on the trial of Karen Read, accused of killing her boyfriend, Boston police officer John O’Keefe.

Relatives of O'Keefe are claiming Read is “using the media to poison the jury pool” and “has one foot out of Massachusetts” ...

The International Association of Fire Fighters announced on Thursday that it would not be endorsing a candidate for president this year. The news is a particular blow to Vice President Kamala ...

The "Dateline" episode chronicles a nearly three-year saga that began when Karen Read allegedly killed Boston Police Officer ...

The high-profile murder case against Mansfield resident Karen Read took the national stage again Friday night as NBC aired a ...

Jon-Adrian Velazquez spent close to 27 years caught in the criminal justice system — nearly all of it behind bars in New York's Sing Sing prison, convicted of a murder he insisted he did not commit.

In the fallout of John O’Keefe’s death, the former Boston police officer’s ex-girlfriend has become friends with Karen Read ...

Mark Dannels, the sheriff of Cochise County, Arizona, which shares 83 miles of international border with Mexico, brought NBC News to remote areas of the border where construction materials were ...

Karen Read is on trial for the murder of her boyfriend, Boston police officer John O'Keefe, who was found unresponsive ...

The father of Karen Read may be called to testify in her upcoming trial, according to new court filings from prosecutors. The court is also seeking unaired footage from a William Read interview with a ...

Karen Read told her father "I don't want to be alive" after she found her Boston police officer boyfriend injured and lying ...

Watch Dateline: The Smoking Gun on Oxygen Thursdays at 8/7c ... Blood-spatter patterns indicated that Kim had likely been punched in the nose, according to Det. Karen Smith. It appeared that Kim had ...