[Steel Wolf]

Groups of young commandos have destroyed several patrol bikes units by creating traps, in dark streets, with fine Iron cables destabilizing the motorbykes chasing them.

I was always a big fan of this one, myself, especially at head/neck level. It's crafty, vicious, and fun to watch.

[SauronOfMordor]

I was always a big fan of this one, myself, especially at head/neck level.

For the "initially unarmed", it's good to station a couple of people near the wire with spears (steak knives attached to broom handles). Spear the thug, take his weapons, disappear