July 27, 2002: Khadr throws a grenade that kills U.S. Sgt. 1st Class Christopher Speer during an attack on a terrorist compound. Khadr, then 15, is wounded in the fight and taken prisoner
October 2002: Khadr is transferred to Guantanamo Bay.
February 2003: Investigators from the RCMP and the Canadian Security Intelligence Service (CSIS) interview Khadr at Guantanamo.
Aug. 10, 2005: A Federal Court judge says Canadian agencies, including CSIS, are violating Khadr’s charter rights by turning information gleaned in interviews over to U.S. investigators.
Nov. 7, 2005: The U.S. military charges Khadr with conspiracy, attempted murder and aiding the enemy in connection with the deadly 2002 skirmish that killed Speer.
March 17, 2008: Khadr alleges he was threatened with rape and violence by interrogators seeking to extract a confession.
May 23, 2008: The Supreme Court of Canada concludes that Canadian officials illegally shared information about Khadr with the U.S.
Aug. 14, 2009: The Federal Court of Appeal upholds ruling that requires the Canadian government to press for Khadr’s return from Guantanamo Bay.
Jan. 29, 2010: Canada’s Supreme Court overturns court orders requiring the Canadian government try to repatriate Khadr, despite agreeing that Khadr’s human rights are being violated.
Aug. 9, 2010: Khadr officially pleads not guilty to five war crimes charges, including murder, at a pre-trial hearing. Judge Col. Patrick Parrish rules Khadr’s confessions will be admissible as evidence.
Oct. 25, 2010: Amid talk of an agreement, Khadr changes his plea to guilty on all five counts; gets opportunity to apply for a transfer to a Canadian prison after one year in a U.S. facility.
Oct. 31, 2010: Khadr is sentenced to 40 years in prison for war crimes but a pre-trial deal limits the actual sentence to eight years.
April 2012: U.S. Defence Secretary Leon Panetta signs off on Khadr’s transfer.
Sept. 29, 2012: A U.S. military airplane brings Khadr back to Canada. He is transferred to the Millhaven Institution near Kingston.
April 28, 2013: Khadr’s lawyer says he plans to appeal the terrorism convictions.
May 28, 2013: Khadr is transferred to the maximum security Edmonton Institution.
Sept. 23, 2013: An Edmonton judge hears arguments on whether Khadr is actually serving a youth sentence and should be transferred to a provincial jail.
Oct. 18, 2013: Khadr is denied a transfer to a provincial jail.
Feb. 11, 2014: Khadr’s lawyer confirms his client has been transferred out of the federal maximum security prison in Edmonton to Bowden Institution, a medium-security prison near the town of Innisfail.
July 8, 2014: Alberta’s Appeal Court grants an application that Khadr to be transferred to a provincial jail, but his lawyers later consent to a stay of the ruling.
March 26, 2015: Khadr asks for bail pending outcome of his appeal in the United States of his conviction for war crimes.
April 24, 2015: Albert judge grants on Khadr’s bail application.
May 14, 2015: The Supreme Court of Canada, in a speedy ruling from the bench, rejects a government effort to have Khadr ruled an adult offender. The justices say he should serve his time in a provincial jail, not a federal prison.