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Lt. Brian W. Rice, 41, was one of three officers on bike patrol who encountered Gray and subsequently arrested him. Rice, an officer since 1997, and the other officers failed to establish probable cause for Gray's illegal arrest, Baltimore State's Attorney Marilyn Mosby said.. Rice and two other officers handcuffed Gray and put shackles on his ankles. The officers placed Gray back on the floor of the wagon, face down. Rice was charged with involuntary manslaughter, second-degree assault, two counts of misconduct in office and false imprisonment.
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BALTIMORE, MD - MAY 23:  Baltimore Police Officer Edward Nero (C) arrives at the Mitchell Courthouse-West on the day a judge will issue a vertict in his trial May 23, 2016 in Baltimore, Maryland. Nero is one of six police officers charged in the arrest and death of Freddie Gray, whose injuries while in police custody resluted in his death and sparked days of protests and riots in Baltimore last year.  (Photo by Chip Somodevilla/Getty Images)
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Story highlights

Freddie Gray suffered fatal spinal injury while being transported in police van, prosecutor says

Six police officers are charged in Gray's death

Watch a special report, “Police Under Fire,” Monday at 9 p.m. ET/PT.

(CNN) —  

In publicly outlining her case against six police officers in the death of Freddie Gray, Baltimore’s chief prosecutor faulted what they did – and did not do.

Among the allegations: Failure to find probable cause, illegal arrest, failure to seek or render medical aid, gross negligence and misconduct.

“The findings of our comprehensive, thorough and independent investigation coupled with the medical examiner’s determination that Mr. Gray’s death was a homicide … has led us to believe that we have probable cause to file criminal charges,” State’s Attorney Marilyn Mosby told reporters Friday from the broad steps of the downtown War Memorial.

Gray suffered a fatal spinal injury on April 12 while being transported in a police van, which made several stops.

“Mr. Gray suffered a severe and critical neck injury as a result of being handcuffed, shackled by his feet, and unrestrained inside of the BPD wagon,” Mosby said.

Michael Davey, an attorney for the Baltimore Fraternal Order of Police who spoke on behalf of the six officers and their attorneys, told reporters that none of the officers injured or harmed Gray. “They are truly saddened by his death,” Davey said. “These officers did nothing wrong.”