The Kent Memorial Library will hold its last lecture in its "The Impact of the Media on Our Lives" series July 27.

Gary Ross, a special agent with the U.S. Department of Homeland Security and the author of "Who Watches The Watchmen," will be the guest speaker at 2 p.m. at Kent School's Pre-Engineering and Applied Sciences Center at 23 North Main St.

During his over 20-year career in federal law enforcement, Ross has conducted and supervised criminal, counterintelligence, and counterterrorism investigations and operations for the Department of Homeland Security, the Office of the Director of National Intelligence, and the Naval Criminal Investigative Service.

He was a recipient of the Department of Defense Team Award for National Security Investigations in 2007 and the director of Central Intelligence Team Award for Countering Foreign Denial and Deception in 2003.

The registration fee is $20 per person.

For more information, visit www.kentmemoriallibrary.org.