Hard to work, if I have to wait for a feedback about one week...
Use the
pm_tools and fire the traceline (put the crosshair at bot of Your team and in console write "traceline 100" without quotes) at CZ bot and check what the flag it has except FL_CLIENT and FL_FAKECLIENT). It should tell You the index of entity You fired the traceline. Then use "printent ent_number" where ent_number is this what was returned by that traceline as index of entity.
You can copy and paste for me the all output. I would like to see what that traceline returns when is fired at CZ bot.