while in game if you see something fishy do this to record the person

IN CONSOLE: TYPE:

record <playersname> //to start recording (make sure your spectating the right person)

stop // to stop recording

the file will be in your cstrike dir (you all should know where that is right?) named whatever you entered in the console after record

to play a demo file (called <playersname>.dem) do this:

playdemo <playersname> //if your downloading to view make sure its in your cstrike folder (not in maps or materials....)

this download is an example of a demo i did of dynamix (try out watching him play)

http://75.126.11.155/cstrike/dynamix.dem

hope this makes you understand how to do a demo and watch it

peace

sio