Since then, Hernandez has been charged with two previous murders and implicated in the shootings of three other people in two separate incidents dating back to his college days. A timeline of what has emerged about Hernandez in the past year:

September 30, 2007: Two men are shot in Gainesville, Florida, and four Florida football players are questioned, including freshman tight end Aaron Hernandez.

July 16, 2012: Daniel de Abreu and Safiro Furtado are killed in a drive-by shooting in Boston’s South End. Police initially had no suspects.

February 13, 2013: Alexander Bradley is found shot in Riviera Beach, Florida, hours after spending an evening with Hernandez at a Miami strip club.

June 17: The body of Odin Lloyd, a semipro football player, is found in an industrial part in North Attleboro, Massachusetts, near Hernandez’s home.

June 18: Police search Hernandez’s home.

June 21: Video surfaces placing Hernandez and Lloyd together the night of the murder; Hernandez’s trips to lawyers and gas station tracked by news choppers.

June 22: A civil suit is filed against Hernandez by Alexander Bradley for shooting him in Florida in February.

June 23: Hernandez’s home is searched again for four hours by investigators.

June 26:  Hernandez arrested at his North Attleboro home, charged with murder of Odin Lloyd. Patriots release him.

June 27:  Investigators first suggest that Hernandez might be connected to the 2012 double murder in Boston.

June 28:  Police recover the silver Chrysler they believe Hernandez, Lloyd and two other men were in the night of Lloyd’s slaying.

July 3:  Gainesville police release the 51-page report on the 2007 double shooting in which Hernandez was questioned.

July 9:  Text messages between Hernandez and Lloyd on the night of the murder surface in documents unsealed by law enforcement.

July 24:  Grand jury in Suffolk County, Massachusetts, begins on the 2012 double murder.

July 25:  Surveillance video from Hernandez’s house, made public for the first time, appears to show him holding a gun.

July 30: Police divers search a lake in Bristol, Connecticut, for the murder weapon in the Lloyd slaying, but find nothing.

August 19: Police in Springfield, Massachusetts, find the gun used in the 2012 double murder in Boston.

August 22: Grand jury in Bristol County, Massachusetts, indicts Hernandez on the murder of Lloyd.

August 27: The NFLPA files a grievance against the Patriots in their attempt to get back bonus money they paid Hernandez.

September 6: Hernandez officially pleads not guilty to Odin Lloyd murder indictment.

September 19: Hernandez associate Ernest Wallace charged as an accessory after the fact in Lloyd’s murder.

September 27: Hernandez associate Carlos Ortiz charged as an accessory after the fact in Lloyd’s murder.

November 27: Hernandez pleads the Fifth in response to alleged shooting victim Alexander Bradley’s lawsuit.

December 19: Family of Odin Lloyd files wrongful death suit against Hernandez.

January 16, 2014: Boston police documents connect Hernandez to the 2012 double murder for the first time.

April 11: Charges against Carlos Ortiz and Ernest Wallace in Odin Lloyd’s death are upgraded to murder.

May 1: Hernandez charged with assault in fight with fellow jail inmate.

May 15: Hernandez indicted for murders of Daniel de Abreu and Safiro Furtado.

May 16: Florida state attorney says Hernandez is still a person of interest in the shooting of two men in Gainesville in 2007.

May 28: Hernandez pleads not guilty in 2012 double murder, prosecutors claim crime stemmed from a spilled drink.

June 16: Tentative trial date of October 6 set for murder of Odin Lloyd.

June 24: Trial date on 2012 double murders in Boston is set for May 2015.

MORE: Hernandez investigation photos