Just to add to the answers you already got, here are a few real examples linked by [this ngram](https://books.google.com/ngrams/graph?content=his+murder&year_start=1800&year_end=2000&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Chis%20murder%3B%2Cc0#t1%3B%2Chis%20murder%3B%2Cc1).

**Being the victim**

-  "Now the hour had come, and an unstoppable chain of events had begun that would end in His murder." [(The murder of Jesus)](http://books.google.com/books?id=4z-cm4eJYWoC&pg=PT8&dq=%22his+murder%22&hl=en&sa=X&ei=751GU-2GA8LPhAfD8oG4Cg&ved=0CEoQ6AEwBQ)

- "It was only after his murder that I gradually learned about the circumstances surrounding his death." [(Human Rights in Northern Ireland)](http://books.google.com/books?id=2GBQRoB4JDYC&pg=PA49&dq=%22his+murder%22&hl=en&sa=X&ei=751GU-2GA8LPhAfD8oG4Cg&ved=0CFAQ6AEwBg)

**Being the murderer**

- "One [gal](http://www.oxforddictionaries.com/definition/english/gal) gets life for his murder" [(Magazine Weekly World News)](http://books.google.co.uk/books?id=ZfQDAAAAMBAJ&pg=PA29&dq=%22his+murder%22&hl=en&sa=X&ei=751GU-2GA8LPhAfD8oG4Cg&redir_esc=y#v=onepage&q=%22his%20murder%22&f=false)

- "Eight months later, a badly divided SJC set aside his murder conviction and life sentence and reduced the sentence to manslaughter." [(Murder and the Death Penalty in Massachusetts)](http://books.google.com/books?id=1sRSYaLh2wIC&pg=PA291&dq=%22his+murder%22&hl=en&sa=X&ei=751GU-2GA8LPhAfD8oG4Cg&ved=0CGEQ6AEwCQ)