In tonight's new 'Law & Order: SVU' episode, 'Pursuit,' (10PM ET, NBC), Debra Messing guest stars as a talk show host with a stalker. When 'Neighborhood Predator' host Alicia Harding begins to receive threatening letters, she turns to an old friend, ADA Sonya Paxton (Christine Lahti), for help.

Detectives Benson and Tutola are assigned to the case, but soon discover that Paxton's involvement runs much deeper than anyone believed.

Watch this exclusive behind-the-scenes look at how the stunts in 'Law & Order: SVU' are shot.




Watch a preview of tonight's all-new episode: