WASHINGTON -- Four people charged in the killing of an aspiring politician from Great Britain in the Georgetown section of the District were expected to be arraigned Monday in D.C. Superior Court.

Police said 27-year-old Alan Senitt, from London, was stabbed to death in the 3100 block of Q Street in Northwest at about 2:15 a.m. Sunday. Senitt and a female companion had just returned from a movie and a restaurant and he was retrieving items from the trunk of his companion's car when they were attacked, police said.

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"He was stabbed and his throat was slashed," said D.C. police Cmdr. Andy Solberg. "He died at the scene."

Police said his companion's purse was stolen and one of the suspects allegedly tried to sexually assault the woman.

D.C. police spokesman Sgt. Joe Gentile said 25-year-old Kristopher Piper and 22-year-old Jeffrey Rice were arrested at about 5:30 a.m. and charged with felony murder while armed. Both suspects are from the 2700 block of Robinson Place Southeast.

Piper has also been charged with the attempted sexual assault of Senitt's female companion during the robbery, police said, which took place in the driveway of prominent D.C. developer Herb Miller. Piper grabbed the woman and began dragging her out of sight down a driveway where he tried to pull off her clothes, police said. Lt. Robert Glover said the attacker made a comment "in reference to his intent to commit a sexual assault."

Gentile said two other people allegedly involved in the incident, 26-year-old Olivia Miles, who police said drove the getaway car, and a 15-year-old boy turned themselves in to police about 1 p.m., authorities said. They have also both been charged with felony murder.

The 15-year-old pleaded not guilty when he appeared in court Monday. The other three suspects appeared Monday before Magistrate Judge Aida Melendez, who ordered them held without bond pending a July 19 hearing. The juvenile suspect will also remain in custody.

As Rice was being led to a police cruiser he yelled to reporters, "I apologize for what happened. I did not have anything to do with the murder."

Piper and Rice have prior records, News4's Darcy Spencer reported. Piper pleaded guilty to possession with intent to distribute marijuana in 2005 and stealing a car in 1997. He also served time for armed robbery. Rice pleaded guilty in 2003 to cocaine possession and to a domestic violence charge.

The mother of the woman charged in the case said her daughter is innocent, which is why she turned herself in. She said her daughter did not witness the attack.

One or more of the suspects may have been involved in other robberies in the Georgetown area. There's been an ongoing grand jury investigation involving the crimes, but police are stressing at this point none of the murder suspects has been charged in connection with that investigation.

Friends, Former Employers Remember Senitt

In London, Senitt's brother and sister said he must have been trying to help his female companion when he was stabbed.

Senitt was serving as an intern with former Virginia Gov. Mark Warner's Political Action Committee. In a statement issued about Senitt's death, Warner said, "Our entire team is shocked and heartbroken. Alan was very excited to be here, and his enthusiasm was impressive. Our prayers are with his family and friends."

Senitt had joined Warner's PAC, Forward Together, on June 19 as one of about 20 unpaid interns, said Ellen Qualls, a spokeswoman for Warner. "He wanted to work on our finance team and learn fundraising and donor relations."

Senitt also was a Jewish activist, according to the Associated Press. Senitt was twice elected head of the Union of Jewish Students of the United Kingdom, which represents 5,000 college students. The group has issued a statement saying Senitt's passion for Jewish life and his love of Israel inspired many people.

"The Jewish community as a whole has lost one of its bright young leaders and the wider world has lost a champion of peace and goodwill," Senitt's family said in a statement.

Greville Janner, a member of the British House of Lords, said Senitt worked for him and was an "outstanding young man."

"He was a delight to work with and this is a terrible tragedy to a young man reaching his prime," Janner said.

Britain's Chief Rabbi Sir Jonathan Sacks said Senitt was one of the most impressive people in Britain's Jewish student community in recent years.

"He was a serious contender for mainstream political life," said Danny Stone, a friend who leads the Co-Existence Trust, a group founded by Janner to promote Muslim-Jewish understanding. "He was up and coming. He would have been brilliant."

More than 400 residents gathered at a local church Monday evening to talk to police and authorities. Some were frightened, and many grew angry when they learned that two of the suspects had come to the attention of police after two street robberies in Georgetown in June, News4 reported.

"The police and the council seem powerless to stop it. Thugs are taking over our streets and they don't seem to have any solutions," said Jim McCarthy, of Georgetown.

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