A FOURTH person has been charged in relation to the alleged murder of Mundubbera man Gary Ryan.
Marilyn Ryan, from Orange in New South Wales, was charged with murder on October 7.
The 36-year-old had her case mentioned in court on the same day and has been remanded in custody, set to appear again in November.
Orange man Mark Stephen Crump, Dubbo man Trevor Spencer and Rockhampton man Stephen Peter Crump have also been charged with Mr Ryan's murder.
Gary Ryan died on August 23 after allegedly being stabbed multiple times.