Cheryl Grimmer's family have been petitioning police to consider the new evidence they say they've found.
Julian Ingram is wanted over the shooting deaths of three people, including his pregnant former partner.
A man is being sought in connection with the shootings in the small town of Lake Cargelligo on Thursday.
Some witnesses have suggested police were too slow to disarm the two gunmen during the Bondi shooting.
Fifteen people were killed and dozens injured in the attack, which targeted a Hanukkah celebration on Bondi Beach.
Multiple homes were left damaged after a wildfire swept through a coastal area north of Sydney.
The car was taking part in the race in New South Wales when it drove through a fence and hit the grandstand, police said.
In the wake of a recent fatal shark attack, the BBC is off the coast in Sydney to learn how authorities are trying to protect people.
The "area of interest" flagged by a team of volunteers has turned out to be a false alarm.
