A change-of-plea hearing is scheduled for an Ohio man accused of plotting to attack the U.S. Capitol in support of the Islamic State group.

A hearing for 22-year-old Christopher Lee Cornell will be Monday in federal court in Cincinnati. The notice doesn't say what the change involves, but the hearing often signals a defendant is about to plead guilty.

Cornell has pleaded not guilty to four charges, including attempted murder of U.S. officials and employees. He has been held without bond since his January 2015 arrest in Cincinnati and ruled competent to stand trial.

A message seeking comment was left Friday for Cornell's attorney. A Justice Department spokeswoman says the government will reserve comment until after the hearing.

Cornell's father has said he was misled and coerced by "a snitch."