SPRINGFIELD, Mass. (AP) - A Boston police captain's son who's accused of plotting a terrorist attack on a college campus to support the Islamic State group is expected to plead guilty next week.

Federal court filings show a plea hearing is scheduled for Alexander Ciccolo on Monday, but it's not clear what he might plead guilty to.

His attorney and the U.S. attorney's office declined to comment.

Ciccolo was scheduled to go on trial in June.

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He was arrested in July 2015 after receiving guns from a federal informant. Prosecutors say he planned to detonate homemade bombs similar to the pressure cooker bombs used in the 2013 Boston Marathon attack.

Ciccolo's father alerted the FBI after his son said he wanted to join the Islamic State group.

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