A Gold Coast man who beat his partner's drug-dealing ex-boyfriend to death during a bungled robbery has been convicted of murder a second time and sentenced to life in prison.
Mark Vincent Dayney denied murdering Mark 'Zeb' Spencer, whose body was found on the patio of a Gold Coast home in October 2014.
Dayney's partner, Peta Lorang-Goubran, advertised sex services online, and the pair planned to rob Mr Spencer after he unwittingly responded to her pseudonym without realising it was his ex.
Mark Vincent Dayney denied murdering Mark 'Zeb' Spencer (pictured) in October 2014 and won appeal against a guilty verdict in 2018
The pair planned for her to distract him while Dayney searched for drugs and cash, but things escalated and Mr Spencer was attacked.
His 'bloody and battered' body was found by his housemate, who