After a high profile trial in November this year, Christchurch engineer Joseph McGirr was acquitted by a jury of giving ecstasy to a US polo player before she died in his spa bath.

But he was found guilty of attempting to pervert the course of justice by burying her clothing after her death.

See omnystudio.com/listener for privacy information.

A 9.51am on September 1 2014 a balaclava-clad man stormed into the Work and Income New Zealand office in Ashburton and opened fire.

In just 61 seconds he gunned down and killed two women and almost murdered two more.

Then he calmly walked back out of the office, unlocked his bike and peddled away into the distance - leaving bloody carnage and chaos in his wake.

The man was Russell John Tully and his horrendous, deliberate and planned actions that day shook New Zealand.

See omnystudio.com/listener for privacy information.

In episode 11 of NZME podcast A Moment In Crime we look back at the front line deaths and revisit some of the stories that have shocked and saddened New Zealand. The episode comes two days before the annual police Remembrance Day - a date marked internationally to pay tribute to cops killed while on duty, and others who have passed during the year.

See omnystudio.com/listener for privacy information.

The murders of Christine Lundy and her young daughter Amber in their own home in 2000 is still a case that New Zealanders find shocking.

And it's a case everyone has an opinion on - even more so after two decades of hearing the facts in various trials, appeals and other court settings.

This is because Christine's husband - the father of her only child - was charged with the grisly murders.

But after 20 years he maintains his innocence.

See omnystudio.com/listener for privacy information.

In August 1980 six-year-old Alicia O'Reilly was raped and killed in her bed by an intruder. Her sister was sleeping less than a metre away. Forty years on, the offender has never been found and her family are still desperate for answers.

See omnystudio.com/listener for privacy information.

In the early hours of June 8 2010, Feilding farmer Scott Guy was gunned down in the driveway of his rural home as he headed out to work. A decade on, despite an arrest and a high profile trial, there has been no one held accountable for the slaying, and no justice for Scott or his family.

See omnystudio.com/listener for privacy information.

On June 17 1970 Harvey and Jeanette Crewe were gunned down in the living room of their Pukekawa farmhouse. Fifty years have passed since the brutal crime - which remains unsolved despite one man being convicted twice of murder. In episode seven of Herald podcast A Moment in Crime, we look back at the infamous cold case - one of New Zealand's most enduring murder mysteries.

See omnystudio.com/listener for privacy information.

Kidnapped: The bizarre abduction of Baby Kahu

In 2002 a baby girl was snatched from her pram as her mother pushed her through a quiet Wellington suburb. For days the nation - and the world - watched on as the hunt for Baby Kahu intensified. How did it end and who took her? We look back a the most gripping kidnapping case in NZ history.

See omnystudio.com/listener for privacy information.

Important update about the next episode of A Moment In Crime as the global Covid-19 pandemic rages on. For full virus updates and information visit nzherald.co.nz