Monday on TV

NFL preseason (6 p.m., ESPN): New York Giants vs. New York Jets

The Closer (7 and 9 p.m., TNT): A parole-board member is murdered.

History Detectives (8 p.m., Ch. 7): Items that prompt investigations include a poster, an inscription and a "face jug."

Lie to Me (8 p.m., Ch. 13): Lightman and Zoe are afraid they sent an innocent man to the death chamber.

Secret Life of the American Teenager (9 and 11 p.m., ABC Family): Ben gets fired.

Huge (10 p.m., ABC Family): Campers play truth or dare.