Said Ahmed al-Badri, the judge, sentenced the four to be hanged for the murders on Wednesday.
A fifth man, who had provided the other defendants with weapons but did not take part in the murder, was sentenced to two years in prison.
John Granville, 33, a former official at the US Agency for International Development, and Abdel Rahman Abbas, his 40-year-old Sudanese driver, were shot dead in their car in the capital on January 1, 2008.
Granville was the first
One of the four condemned men is the son of a leader of Ansar al-Sunna, an Islamist group, which is linked to Wahhabism – a form of Sunni Islam practiced mainly in
A group calling itself Ansar al-Tawhid had claimed responsibility for the murders, SITE, an organization which monitors Islamist websites, said.
It said the murder was in response to attempts to raise the banner of Christianity over
Ahead of the verdict, the
"Should the court announce guilty verdicts in this case on June 24, the reaction among the men’s supporters could include demonstrations at Embassy Khartoum facilities and/or other anti-American, anti-Western actions," the embassy said in a statement.
"US citizens are advised to avoid the Khartoum North courthouse, located in downtown
Source: our correspondent M’voula Rite.