There's no excuse for hacking, and if someone else was hacking you should have spoke up, considering there's usually plenty of admins on the servers.

Also, I don't believe "godhealth" is even possible, I could be wrong though.. I've never seen it on CS:S before, other games I have though.
You were auto-banned, am I right? If that guy was using an aimbot, he would have been auto-banned as well, most likely.
This is obviously a lie, but nice try.

Please wait for a root admin to reply.