Timeline of Sydney teens' murder case

John Edwards already had a three-year AVO when he went to Russia to meet 19-year-old Olga.
John Edwards already had a three-year AVO when he went to Russia to meet 19-year-old Olga.

A CHILD MURDERER'S ESCALATING BEHAVIOUR BEFORE MURDERS

2000 - John Edwards connects with teenager Olga online. By the time he travels to Russia to meet her, a three-year AVO has just been put in place to protect one of his former partners and several other former partners have made allegations of abuse.

2001 - Olga, then 19, moves to Australia to marry Edwards, then 50. She soon has two children to Edwards: Jack (b. 2002) and Jennifer (b. 2004)

2010 - NSW Firearms Registry rejects Edwards' gun licence application after he falsely declares he hasn't been the subject of an AVO in the preceding decade.

2014 to 2016 - After years of controlling behaviour against Olga, Edwards begins turning attention to Jack. Olga later reports multiple occasions of Edwards physically hitting the boy

March 2016 - Olga and the kids leave Edwards and Family Court proceedings begin. Edwards tells Hornsby police Olga may make "false allegations" against him.

December 2016 - Edwards applies for a gun training permit with Ku-ring-gai Pistol Club.

December 2016 - Olga reports Edwards' abuse of Jack and Jennifer to local police.

February 2017 - Edwards attends Olga's 6am yoga class. Yoga studio learns he's been to the premises about 15 times. Police file error-riddled report and take no further action.

June 2017 - Edwards granted rifle licence. Pistol licence granted soon after.

October 2017 - The financial planner buys his third rifle in as many months.

April 2018 - He purchases a semi-automatic pistol to go with a revolver he bought in March.

July 2, 2018 - Edwards hires from Avis Car Rentals in Hornsby.

July 4, 2018 - Edwards collects his pistols from St Marys Pistol Club, closing the door to his gun locker so hard it jammed and needed repairs.

July 5, 2018 - The 67-year-old drives hire car to Pennant Hills train station, follows his daughter home and shoots his children dead. Takes his own life shortly afterwards.

December 2018 - Olga takes her own life

Source: Edwards family coronial inquest

Australian Associated Press