Note that it is in Swedish, and one of the articles is behind a paywall.

- https://www.aftonbladet.se/nyheter/a/on2Rpg/uppgifter-krimin...

- https://sverigesradio.se/artikel/kriminella-kan-skriva-sig-p...

Shootings through apartment doors is relatively common, here are a few of the incidents from 2023:

- https://www.incharts.se/en/shootings/shooting/stockholm-2023...

- https://www.incharts.se/en/shootings/shooting/malmo-2023-10-...

- https://www.incharts.se/en/shootings/shooting/jarfalla-2023-...

- https://www.incharts.se/en/shootings/shooting/botkyrka-2023-...

- https://www.incharts.se/en/shootings/shooting/stockholm-2023...

- https://www.incharts.se/en/shootings/shooting/upplands-bro-2...

- https://www.incharts.se/en/shootings/shooting/sodertalje-202...

- https://www.incharts.se/en/shootings/shooting/stockholm-2023...