Crime Library: Criminal Minds and Methods

Teen Who Killed Over a Kiss Sentenced to Life

Victim Warren Rosillo, 18. Family photo.

A young New Zealand man has been sentenced to life in prison with a minimum of 11 years for killing a love rival at a party last summer. Theodore Derrick-Hardie was 17 when he stabbed to death 18-year-old Warren Rosillo at a birthday party in the Auckland suburb of Pakuranga on July 29, 2011.

Derrick-Hardie attended the party with his ex-girlfriend, and witnessed her flirting with Rosillo. Instead of leaving with Derrick-Hardie as he demanded, the ex-girlfriend kissed Rosillo in front of him. An enraged Derrick-Hardie grabbed Rosillo and stabbed him in the face, abdomen and chest with a knife he was carrying.

Because of his young age, the judge took some time off Derrick-Hardie’s minimum non-parole period, the New Zealand Herald reports. Derrick-Hardie pleaded guilty on the first day of his trial, but not before a prosecutor relayed his history of carrying knives. According to Crown lawyer Warren Cathcart, Derrick-Hardie had previously owned a machete and a folding knife and had threatened to hurt his ex-girlfriend and her new boyfriend.

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