David Weddle

Langston testifies against the notorious 'Dick and Jane' killer, Nate Haskell. Meanwhile, Nick receives a call from troubled teen Jason McCann to warn him of impending danger. Also available on iTunes

Two men are murdered right before exposing a natural gas company for poisoning residents in a farming town, and the CSIs must discover who is responsible for their deaths. Also available on iTunes

Langston fights for his life after being stabbed by psychopath Nate Haskell, while the other CSIs attend a funeral that turns deadly. Also available on iTunes

When the CSI team investigates the brutal murder of a family, they trace the killer to the house next door, which might belong to the "Dr. Jekyll" serial killer. Also available on iTunes