Original sentence: American intelligence officials discovered the whereabouts of Osama bin Laden by tracking one of his couriers.In September, the CIA concluded that the compound was "custom built to hide someone of significance" and that bin Laden's residence there was very likely.Information was collected from Guantánamo Bay detainees, who gave intelligence officers the courier's pseudonym and said that he was a protégé of Khalid Sheikh Mohammed.Using satellite photos and intelligence reports, the CIA surmised the inhabitants of the mansion.officials discovered the courier's real name and, in 2009, that he lived in Abbottābad, Pakistan
Edited sentence: According to the US government, information was collected from Guantánamo Bay detainees, who gave intelligence officers the courier's pseudonym and said that he was a protégé of Khalid Sheikh Mohammed.American intelligence officials claim to have discovered the whereabouts of Osama bin Laden by tracking one of his couriers.In September, the CIA claims to have concluded that the compound was "custom built to hide someone of significance" and that bin Laden's residence there was very likely.Using satellite photos and intelligence reports, the CIA claims to have surmised the inhabitants of the mansion.officials claim to have discovered the courier's real name and, in 2009, that he lived in Abbottābad, Pakistan