BOSTON (AP) -- Former NFL star Aaron Hernandez, who was serving a life sentence for a murder conviction and just days ago was acquitted of a double murder, died after hanging himself in his prison cell early Wednesday, Massachusetts prisons officials said.
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Hernandez, 27, was found by guards in his cell at the Souza-Baranowski Correctional Center in Shirley just after 3 a.m., Department of Correction spokesman Christopher Fallon said in a statement.
The former New England Patriots tight end was pronounced dead at UMass Memorial-HealthAlliance Hospital in Leominster about an hour later.
Hernandez's death comes the same day the Patriots are making their visit to the White House to mark their Super Bowl win. Team spokesman Stacey James said the Patriots were aware of the reports of Hernandez's death but didn't anticipate the club commenting Wednesday.
Hernandez was in a single cell in a general population housing unit in the maximum security state prison. He hanged himself using a bed sheet that he attached to a cell window, Fallon said.
Hernandez tried to block the cell door from the inside by jamming the door with various items, Fallon said.
Fallon said he's not aware of any suicide note written by Hernandez and stressed that an investigation is ongoing. He said that officials had no concern that Hernandez was planning on taking his own life, and if there was a concern about his well-being, Hernandez would have been transferred to a mental health unit.
Hernandez was moved to tears on Friday after he was acquitted of the 2012 fatal shootings of Daniel de Abreu and Safiro Furtado in Boston. Just before his acquittal, Hernandez was seen blowing kisses to the little girl he fathered with fiancée Shayanna Jenkins. Cameras captured the tender exchange.
But, Hernandez was still serving a life sentence without the possibility of parole for his conviction in the 2013 shooting of Odin Lloyd, a semi-professional football player who was dating his fiancee's sister.
He was tried but acquitted in the slayings of de Abreu and Furtado, whom prosecutors contended were gunned down after one of the men accidentally spilled a drink on Hernandez in a Boston nightclub. The jury in that case found Hernandez not guilty of first-degree murder but convicted him of unlawful possession of a gun, and the judge sentenced him to an additional four to five years in prison - separate from his existing life sentence.
Hernandez's lawyers did not immediately respond to a request for comment.
Massachusetts State Police remain on the scene investigating the death.
Hernandez grew up in Connecticut and played for the Patriots from 2010 to 2012. The team released him in June 2013, shortly after he was arrested in Lloyd's killing.
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Associated Press writers Patrick Mairs in Philadelphia and Mark Pratt in Boston contributed to this report.
