See Also: 'To Kill a Predator' Episode Guide

Some murder weapons have four wheels.

According to CSI Files sources, "To Kill a Predator" opens in a parking structure early in the morning. There is only one car in sight--a Mercedes belonging to a lawyer named Sean Radley. The early bird gets the worm, and this guy is already on the phone as he walks away from his car.

Radley tells the person on the other end of the line that he has some paperwork with him. He props his phone between his ear and his shoulder as he digs through his briefcase for it. Realizing that it must still be in the car, he walks back, not seeing that another car has joined him in the parking structure.

Radley opens the car and finds what he's looking for, still talking on the phone about how many hours he'd worked for a client. The growl of the car approaching causes Radley to hold his free hand over his ear to hear the person on the other end of the call. He doesn't see that the car is speeding directly toward him.

A plume of sparks erupts as the second car careens into Radley's Mercedes with the screech and crunch of metal. The collision sends Radley flying over the guard wall and through the air, papers from his briefcase scattering in the air around him as he falls toward the ground. He hits the pavement.

But he's not dead! Radley gasps for breath, broken and bloody. He's still alive, but he isn't in the clear just yet. The growl of the car gets louder--the driver is coming to finish the job. Radley tries to drag himself out of the road, his leg too broken to stand. He needs to get out of the way before the car can reach him--

Too late! The car screeches around the corner and Radley can't move fast enough. The driver runs him over and speeds away without stopping. Radley ends up on his back, blood pooling around him as he stares sightlessly toward the sky. The papers from his briefcase are still fluttering through the air around him.

Horatio speaks to Tripp about the victim. The letterhead on the papers around the crime scene tells them the name of Radley's law firm. Tripp suggests it might be a dissatisfied client, but Horatio points out that whoever killed Radley was filled with rage. It's not just a typical hit and run--they can tell their victim was hit twice judging by the blood trail Radley left as he tried to drag himself off of the driveway.

The team locates the car used to kill Radley and traces it back to a rental company. They are surprised to find that the car was rented in Deborah Radley's name--the victim's wife. Deborah denies killing her husband even though she recently filed for divorce. She claims she was home with her daughter that morning, but the team can't take her word for it.

Things get more complicated for the CSIs when another body turns up. Natalia recognizes the man from a local show called "Predators Among Us." Hosted by Heather Amberson (last seen in "Deep Freeze"), the show exposes internet predators who are looking to meet underage girls for sex. The connection can't be a coincidence. Does Miami have a vigilante on its hands?

Please note that the above plot details have not been confirmed by CBS, Alliance Atlantis or Bruckheimer Films, and until such time you should treat this information as you would any other rumour. The above information comes from early script drafts and the details of the episodes are liable to change before the episodes are shown.

"To Kill a Predator" will air April 21 on CBS.

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