But officials said they still wanted to arrest 13 additional suspects, including a man in a Massachusetts nursing home.
Two additional suspects were acquitted by the court for lack of evidence.
Agents said they were seeking an additional 12 suspects last night.
A day later, the police released sketches of three additional suspects.
He would not say whether there were additional suspects.
No weapon has been recovered, and police officials said they were looking for additional suspects.
The police also released photographs of seven additional suspects yesterday.
Days later, police were still seeking two additional suspects.
Investigators said they hoped to release a photograph of an additional suspect today.
An additional five suspects were reported as having escaped the British raids.