C.S.I. Miami Season 8 Episode 24 (C.S.I. Miami s08e24) with title “All Fall Down” airs on Monday, May 24th 2010 at 10:00 pm via CBS.
Here is summary for C.S.I. Miami Season 8 Episode 24 :

A serial killer taunts the CSIs by leaving them cryptic hints, and the longer it takes them to decode these puzzles, the higher the death toll rises

Few hours after original series aired on TV, online streaming video for C.S.I. Miami Season 8 Episode 24 usually available on Net and of course, if video available, as soon as possible will show you where you can watch this episode for free.