As Andersen went public with his concerns Wednesday, other judges and attorneys were wondering about their own safety.
Federal court officials in Detroit planned to discuss security at a meeting Wednesday, said David Weaver, administrator of the U.S. District Court in Detroit. He said he was not aware of any additional security measures being taken yet.
A spokesman for the U.S. Marshals Service said Wednesday in Washington he was unaware of an increase in requests for protection by federal judges. He said he would not disclose details of judges' security.
Andersen said he wanted to go public with his concerns because Lefkow would want him to speak out.
Andersen he did "not believe that any person in government has done anything wrong" in connection with the slayings, but said the attorney general and the secretary of homeland security should take the lead in making any changes in the level of security for judges and their families.