Detective Superintendent Grace Calma’s illustrious professional bio reads more like the synopsis to a hit crime-busting TV drama series.
In the 23 years since she joined the Australian Federal Police (AFP), Calma has worked in everything from INTERPOL, investigations relating to money laundering, narcotics and human trafficking; to fraud, counter terrorism, kidnap for ransom and corruption to her current role in cybercrime.
Her postings have spanned Pakistan, Afghanistan, Myanmar, Bangladesh and Laos.
But for Calma, a moment that "really etched itself into my brain and heart" was a little closer to home; during the devastating 2009 Black Saturday bushfires that tragically claimed the lives of 173 Victorians.
"It was during one of the first shifts that I did," Calma tells Mamamia, explaining the AFP's role in supporting Victoria Police during the state of emergency. Her team was assisting by restricting access to really devastated areas.
"The sun was setting. Around us was charred earth everywhere. Trees were still glowing; a lot of trees kept burning for days, weeks, after the fires had been through. It really felt like we were in a dystopian world," she recalls.
"Then a family came up to us. They bought us some pizza and cold soft drinks, and just came out to say thank you for being here and for supporting us.
"For me, that was really…" Calma’s voice trails away. "Confronting is not the right word. But these are people who have just had their lives shattered, and they were going out of their way to support us.