If you liked the ‘House on Haunted Hill,’ then tonight’s “CSI” is just for you. TV’s hardnosed investigative team encounter dead bodies and deranged patients at a creepy state mental hospital in the hair-raising episode, called “Committed” (9 p.m. on CBS).

“It’s a very dark world and creepy in a horror movie kind of way,” says star JORJA FOX.

When a brutal murder is committed at a state mental hospital, Jorja’s Sara Sidle and Gil Grissom (WILLIAM PETERSEN) are assigned to investigate, and soon realize that only a handful of residents and staff could be responsible for the killing.

But things go awry when a menacing inmate discovers Sara alone and involves her in a twisted game of cat and mouse.

“There’s a little violence there,” Jorja explains, “and that was fun to do too, and scary!”

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