Peter had joined the TA because he wanted to give something back to the country, Donna says.
But one of his last acts before killing himself was to take out his England earring, she says.
His eyes were wide open when she found him in the car.
"Everything was so perfect, like he was going back to Iraq," Donna says.
"By putting on his uniform and taking all his Iraq papers, he was making a statement."
In depth: Surviving Iraq