The daughter of murdered Perthshire aid worker David Haines is to launch a campaign to bring her dad’s remains home to Scotland.

Bethany Haines (22) said she is “sick of waiting” for the authorities to find David’s resting place – almost five years after he was beheaded by Isis extremist ‘Jihadi John’ in Syria.

The mum of one has vowed to launch an international appeal to help find the 44-year-old’s body – and those of other slain hostages – so she can scatter his ashes at home in Perth.

She has been dealing with the Foreign Office but has found herself increasingly frustrated at the lack of progress.

Bethany said: “There have been so many signs they think it might be (his body) and it’s not. When I asked if they were actively going out and looking, they said they weren’t and rely on information and not speculation.

“Even if they do get leads, I strongly suspect they need confirmation and collaboration to be able to act on it.

“We and the other families are finding it hard to get closure.

“If no one else is going to do it, I will. I’m sick of waiting around.”

David was serving as a humanitarian aid worker for Acted when he was captured in March 2013. The dad was held captive for 18 months before he was executed on film in September 2014 along with four other men.

David Haines was murdered by ISIS

The British militant Mohammed Emwazi, known as Jihadi John, was killed in a drone strike in 2015.

Bethany’s hopes of finding her dad’s remains were raised last year when authorities captured two Isis operatives implicated in his killing and said they were looking into reports of potential burial sites in Syria.

But no trace of David’s body was found.

With news last month that Isis’ final Syrian stronghold of Baghouz had been liberated, Bethany said she hoped people over there may now feel safer about sharing information.

She added: “There has been a couple of cases where we’ve had our hopes up for a few weeks and it’s turned out it’s not him. As much as it’s hard finding out it’s not, I know I can’t stop searching and if that means having that feeling many more times, then so be it. With much of Syria being liberated, I hope there will be more freedom for people to speak out if they have seen something and they don’t feel so scared.

“We’re not there to get anyone in trouble. We just want him home and it doesn’t matter where that information comes from.

“In the summer, I will be focusing on getting the word out there. I’d like to set up a hotline, get posters and leaflets out around the UK and try to spread the word nationally and internationally.

“There are a lot of UK foreign fighters and if they have been phoning home and seen something, maybe a family member will come forward. We are not looking to prosecute people.

“I’d like to see more investigations into where the (beheading) videos were filmed and where the hostages were held and to have excavations around these sites.

“If it results in a breakthrough, it would be brilliant but if not I can say we’ve done everything we can for dad and for the other families.”

Bethany said finding her dad’s remains would mean the family can say goodbye properly. She said: “The first memorial we had didn’t feel right as it was just a picture of dad. If we get him home, we would like to have a second memorial and scatter his ashes in a place he loved.”