Authorities say Vance and his family were not home at the time.

CNN reported, citing a US law enforcement source, that the person may not have entered the house, but at least one window was damaged during the incident. Multiple windows were reportedly broken shortly after midnight.

Read more: Trump warns of US attack if more protesters killed in Iran

The Secret Service and Cincinnati police responded and stayed on the scene for several hours before leaving. “The U.S. Secret Service is coordinating with the Cincinnati Police Department and the U.S. Attorney’s Office as charging decisions are reviewed,” said spokesperson Anthony Guglielmi.

Read more: Who is Nicolás Maduro and why his 12-year rule ended abruptly in Venezuela

Authorities confirmed the suspect is an adult male. Roads around the home have been closed since last Monday as investigations continue. The case is under federal and local review to determine next steps.

The break-in highlights potential security risks even for high-profile officials. Quick response by Secret Service ensured no one was harmed. The investigation may reveal the suspect’s motive and how security can be strengthened.