The first time around, Justin played a troubled youth whose brother was killed.
In his 次 appearance, on February 17th, his character "will call Nick (played によって George Eads) to tip him off that he’s in imminent danger," according to TVLine.
JB tweeted about it saying:
"on set...where? let's just say Im back to my evil ways. #badass"
If you're a CSI:科学捜査班 または Justin fan, あなた will not want to miss this! ;)
Source: celebuzz