1: His name begins with bearshark then the name would change every few second
2: Steam_0:1:5986288
3: Warcraft Server cs_assault
4: none
5: This person was hacking, aim-bot and more.

the demo is from sourcetv
Tick around 119000
Around 25-29ish minute in you'll see a person name bearshark change his name to someone else
Around 30 minute is when real action happens.