Security guard Charanpreet Dhaliwal's former employer has been charged in relation to his death.
The 22-year-old was killed on his first night of work at a Henderson construction site last November.
Hateni Kaufusi Latu, 27, has been charged with his murder.
Ellerslie-based CNE Security which employed Dhaliwal, has now been charged with failing to secure his safety, the Department of Labour confirmed today.
The Council of Trade Unions has also taken out a personal grievance claim with the Employment Relations Authority, claiming unjustified disadvantage, CTU president Helen Kelly said.
"The circumstances which put him on that worksite are really some of the most outrageous."
As a mother she would not have let her son work on the remote site which had been burgled previously, Kelly said.
"The fact that Charanpreet was here without his mum, without anybody to check on that, he probably assumed New Zealand law would keep him safe. It's an absolutely shocking work site there."
Kelly said the union was alleging, based on police evidence, Dhaliwal did not have a health and safety briefing, didn't have communication equipment and was only shown around the site he was securing at 10.30pm on the night he died.
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