The police's riot shields were utterly useless against Mo Qiong's warning.
Their riot shields were transparent and could block most automatic rifles from the early twentieth century. Judging from the gunshots and bullets, the criminals in the building were using pre–Third World War firearms.
Because those guns could now be made by crude workshops and even some technology enthusiasts, people did indeed sometimes manufacture them for crimes.
But these days, even the underworld no longer used such gunpowder weapons. Anyone who still used them clearly wasn't a particularly capable criminal.
The police were using semi-gunpowder semi-electromagnetic accelerated guns. They had strong penetrating power and were designed to deal with Nano-membranes. Their follow-up power depended on the type of bullet, so they could simply switch to more or less lethal ammunition according to their needs.
"Back up, back up! They're not using a crude gun!"
"Quick, find out what weapon they're carrying!"
If the other side were merely ordinary criminals, they could simply saturate the area with anesthetic fire, then storm in and take them down.
However, when they backed off to inspect the bullets, one of them exclaimed in surprise, "That's not right. It really is a crude gun. Look, the bullets are made of copper."
The officer blinked, then said furiously, "What's wrong with this batch of riot shields? They can't even stop bullets like these?"
"Someone up top must have pocketed the money. They didn't use Everton Company's products," someone said.
"Damn it! I want to know who dared to skim money from the equipment meant to keep our brothers alive. I'll impeach him into the ground! What about the snipers?"
"Sir, we've changed guns and moved positions... We can now..."
Before he could finish, a hand reached out from a window on the fifth floor and fired