EXCLUSIVE

The lone survivor of the deadly mushroom lunch had security cameras installed outside his home just days after he was released from hospital.

Pastor Ian Wilkinson was the only person to survive poisoned beef Wellington prepared on July 29 by housewife Erin Patterson in eastern Victoria.

His wife Heather, 66, his sister Gail and her husband Don Patterson had been invited to lunch as part of a “mediation”. meeting to discuss Ms Patterson’s relationship with her ex-husband Simon, who pulled out at the last minute.

Ian Wilkinson and Heather Wilkinson (both pictured). Ian Wilkinson has been released from hospital after spending weeks recovering from a poisonous mushroom lunch that claimed the lives of three other people, including his wife.

An electrician spent Monday installing CCTV cameras outside Ian WIlkinson’s home.

Erin Patterson is pictured outside her home days after serving the deadly meal

An electrician installed several cameras around Mr Wilkinson’s Korumburra home on Monday – two days after it was revealed he had been miraculously released from hospital.

The technician could be seen installing cameras at several entry points around the home, where Mr Wilkinson lived with his wife Heather until her tragic death.

It remains unclear what Mr Wilkinson’s specific security concerns are. Daily Mail Australia is not suggesting it is Erin Patterson.

Victoria Police have refused to comment on claims by specialist journalist John Silvester that forensic tests led police to conclude that mushrooms in the infamous meal were responsible for the trio’s deaths.

Meanwhile, Heather Wilkinson will be honored at a public service on October 4 in Korumburra.

Members of the close-knit Korumburra Baptist Church met at a Korumburra bakery on Monday to plan the secret services.

The memorial is expected to be similar to that held for the Pattersons on August 31, when more than 450 mourners gathered at Korumburra Recreation Center to pay their respects to the beloved couple.

Mr. Wilkinson has not been seen in public since his release from Austin hospital and it is unclear whether he has ever spoken to homicide detectives.

On Monday, friends gathered around the 68-year-old and he could be seen coming and going throughout the day.

A home care provider has been in regular contact with Mr Wilkinson and visits his home regularly as he continues to try to recover sufficiently to attend next week’s memorial.

Home carer visits Ian Wilkinson on Tuesday

Erin’s former in-laws, Don and Gail Patterson (pictured), died a week after attending the luncheon

It is not known whether Mrs Wilkinson was buried while he was still recovering in hospital.

The Pattersons had been buried in a private service while he was still being treated.

Mr Wilkinson is expected to address mourners at the service, as Simon Patterson did for his parents last month.

Mr Wilkinson’s release from hospital is being hailed as a miracle by his congregation.

Last Saturday – the same day a service was held at Korumburra Baptist Church where Mr Wilkinson is pastor – parishioners gathered to celebrate the news they had been praying for.

Simon Patterson, who is Don and Gail’s son and Erin’s ex-husband, seated in the front row for the service.

“Everyone in this community, and even in the suburbs, has felt and prayed on their knees for his recovery and the prayers are being answered,” said one parishioner. 7NEWS.

“We all have questions, but I hope they are answered.

“The truth will come out and then we can all, in a sense, relax because then there will be some closure.”

Simon Patterson paid tribute to his parents at a public memorial last month

The final resting place of Don and Gail Patterson

Mr Wilkinson’s family confirmed he was now making “significant progress” at home.

“This milestone marks a moment of immense relief and gratitude for Ian and the entire Wilkinson family,” they said.

Mr Wilkinson’s family appealed for donations, in lieu of flowers, to be given to the Austin Hospital or via SIM Australia to the Galmi Hospital in Niger, West Africa, a cause which was heart to Heather.

Those wishing to make a donation in memory of Heather are invited to visit the Mycause website or search Mycause Heather Wilkinson.