Nicolson, described by one local newspaper as "the fast-moving southpaw with the catwalk model looks", has been prominent in Australian media during the Games on the Gold Coast because of her tragic family background.
Gold Coast 2018 Commonwealth Games Corporation chair Peter Beattie said athletes went missing at "every Games" and the athletes had not breached their visas.
But none neither were more powerful than Nicolson's dramatic victory in memory of the brother she believes was "robbed" when disqualified in his semi-final at the Auckland Games.
Boxing is in the blood of her family but Nicolson never met either of her brothers, Jamie and Gavin, after they were killed in a vehicle crash in 1994 while on their way to training.
"These athletes are guests here in Australia".
Walsh reacts in anger as Nicolson roars.
'I won that medal for both of us tonight.
Three of the five judges scored the fight in favour of Nicolson to leave Walsh furious.
Walsh was devastated after the fight and can consider herself unlucky not to have prevailed.
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Cameroon officials told 7 News that most of the athletes disappeared in the middle of the night, some even leaving their belongings behind at the athlete's village.
Although her journey is over, Robertson still walks away with a bronze medal on her debut at the Games.
Cameroon's press attache Simon Molombe Lyonga told SBS News he couldn't "pretend to know their intention" for deserting, but said: "As we might say in Africa, they've gone for greener pastures in Australia".
"I just want to enjoy it and hopefully make that next step and keep winning races".
Walsh's comments echo those from Mbachi Kaonga's epic, expletive-laden meltdown when he lost to Australia's Clay Waterman in a men's quarter-final bout.
Walsh pretended to steal Nicolson's gold medal on the podium and refused to accept the decision, taking to social media to claim she was the real victor. I'm Commonwealth Games champion and it's a big f--ing deal.
"I really just got to relax and have some fun out there doing what I love so I was really happy with that, I didn't feel much pressure at all".
Australia rode the ideal team race by making it as fast and hard as possible for its rivals over the undulating 112km course at Currumbin before its gun sprinter finished it off inside the final 1km to beat New Zealand's Georgia Williams and Wales' Danielle Rowe.