This is the 16862nd most frequent Korean word.
살해하는
"살해하는" means "killing" or "murdering."
Here, '살해하는' is used as a present participle describing the ongoing action of murdering someone performed by the subject.
범죄자가 증인을 살해하는 것을 막아야 합니다.
The criminal must be prevented from murdering the witness.
'살해하는' here describes a general act of committing murder, emphasizing its nature and illegality.
살해하는 행동은 법적으로 엄격히 금지되어 있습니다.
The act of murdering is strictly prohibited by law.
In this sentence, '살해하는' is used as an attributive form to describe the particular scene involving murder in the movie.