Police arrested 25-year-old Joshua Colin Duperouzel, who they may allege is related to the deadly capturing of 34-year-old Joseph Versace in Gnangara final week.
Versace was discovered useless with gunshot wounds at a workshop in Gnangara, within the metropolis's north, simply after 4pm on September 29.
Duperouzel's arrest comes simply hours after police launched an attraction for his whereabouts.
"The 25-year-old man sought by police is at the moment in custody after being apprehended in Belmont a short while in the past," police stated in an announcement.
Officers stated their inquiries are ongoing.
Detective Inspector Quentin Flatman stated throughout an attraction for info that police would allege Duperouzel has hyperlinks to outlaw motorbike gangs.
"Our info suggests he is on the periphery and has some connections to outlaw motorbike gangs," Flatman stated.
Officers additionally launched a picture of a black BMW X5 that they imagine might have been on the scene of the capturing.
The automobile was discovered deserted in Glen Forrest on Thursday afternoon.
Police are asking anybody with info relating to the actions of the automobile to contact them.
"If anybody has seen the automobile, any involvement with the automobile, any data of the automobile is to contact police," Flatman stated.