THE girlfriend of Lindt Cafe siege gunman Man Haron Monis has been found guilty of murdering his ex-wife.
Amirah Droudis faced a trial over the woman's death, after she was stabbed 18 times before being splashed with petrol and set on fire.
The victim cannot be named for legal reasons.
ABC News reports Monis himself was charged with being an accessory to the murder.
He was out on bail in relation to the crime when he was killed at the end of the Lindt cafe siege in late 2014.
Justice Peter Johnson said he was convinced Monis planned the murder, then Droudis followed his directions.