Denyer grew to become eligible for parole final month, after serving 30 years for the murders of three ladies in Melbourne in 1993.
The households of the killer's victims have been notified, 9News understands.
Denyer was sentenced to life in jail with out parole however the time period was later decreased to a non-parole interval of 30 years on attraction.
Denyer murdered Natalie Russell, Elizabeth Stevens and mom Deborah Fream within the Frankston space.
Stevens, 18, was murdered by Denyer after she received off a bus on her means house from the library on June 11.
On July 8, Seaford mom Fream, 22, was killed when she was ambushed by Denyer in her automotive.
A fortnight later, Natalie, 17, was murdered as she walked house from college.
Extra to come back.
Join right hereto obtain our every day newsletters and breaking information alerts, despatched straight to your inbox.