In order to monitor encrypted communication, investigators will in future, according to the Senate draft and the Änderungen der Abgeordneten, not only be allowed to hack IT systems but also to secretly enter suspects’ apartments.
If remote installation of the spyware is technically not possible, paragraph 26 explicitly allows investigators to “secretly enter and search premises” in order to gain access to IT systems. In fact, Berlin is thus legalizing – as Mecklenburg-Western Pomerania did before – state intrusion into private apartments in order to physically install Trojans, for example via USB stick.
SWAT breaking in to enforce some drug law and shooting the dog is a pretty common thing in the US. They still do it. But, we’re not talking about the US, so it might be harder to just sweep that kind of thing under the rug with tough-on-crime arguments.