Okay. I seem to have missed something. Somewhere it says that Sam was beaten?
(quote)
A post-mortem on Wednesday was able to confirm Mr Thompson's DNA and determined he was seriously assaulted
https://m.dailymercury.com.au/news/body-found-caboolture-confirmed-samuel-thompson/3164083/
(quote)
as·sault (ə-sôlt′
n.
1.
a. A violent physical attack, as with blows.
http://www.thefreedictionary.com/assault