Besides that 1:55 moment with invisible spy, i can´t find something else suspicious.
Since he did it only once, we decided he could´ve gotten a real lucky trying to predict a dead ringer spy.
I don´t see aimbot here. As i said, use demo if it´s not 100% obvious aimbot/spinbot.
Didn´t notice any cheats. His aim at 3:54 is normal.
For next reports spectate a suspect in a 1st person, use sm_speclist_hideme command if you don't wanna let the player see you spectating him with sm_spec <player>.
Use demo for silent aimbots. It's hard to tell if player is using hard-hidden...