What is Russian Teargas Grenade?
1.
A device used by the russian special forces in hostages situations which ends up killing 90 % of the hostages along with every terrorists. This teargas causes also the hostages's families to cry for many days.
Moscow theater hostage crisis
Good exemple of a badly done Russian Teargas Grenade (only 1/5 of the hostages died)
All of the 33 terrorists were killed, along with at least 130 (out of 850) of the hostages, with no official OSNAZ (Russian special force) casualties.
See
