Let's get right to it.

But the hostage...

This much won't kill him; non-humans are tough.

We'll rush in after leveling them with a volley of grenades and rifle fire! The people want this to be resolved quickly.

Don't fool yourself, they are parasites!

We can't guarantee the safety of squatters too! The criminals are armed with firearms!

If you can resolve this without any blood-shed, be my guest.