A nine-year-old boy whose dad was killed by an Ilford couple said his "heart feels so empty".
Businessman Gary Mouat, 37, was found dead at his home in Oxfordshire, last July after being drugged with a sedative gamma-butyrolactone (GBL).
The married dad-of-one was killed by Adina Mihai, 31, who was posing as a sex worker, and her partner Madalin Dumitru, 30.
They would arrange to meet men paying for sex at their homes and would drug them unconscious to steal from them, Oxford Crown Court heard.
The pair also killed Malcolm King, aged 80.
In a victim impact statement, which was recorded and played to the court, Alfie Mouat said the defendants had ruined his life.
He said: "My dad was funny, silly, loving and a trickster, we always used to prank each other.
"Why did you have to kill my dad, you could have just taken the money, he was really kind, he would have given it to you.
"He was my dad and now he's gone.
"Ever since my dad died my life has been really tough. I miss him every day and will never get to see him again.
"I will never be able to get another dad and that makes me feel so sad.
"You have ruined my life and all the plans we had to do things together. My family is destroyed now.
"I will never be able to go and watch a football game with my dad now.
"I won't get to go have my first beer with him. I don't know what my life will be like now, I always imagined my dad would be here.
"My heart feels so empty, sometimes it hurts so much I feel like I have to reboot it. I feel sad every day and miss him all the time.
"I hope you realise how many hearts have been broken because of what you did.
"After it happened I was so scared that something would happen to my mum, I didn't want to let her out my sight.
"I couldn't sleep because I kept having nightmares that something bad happened to her too. I still have these now sometimes.
"I get scared someone will come to my house and hurt her too. Sometimes I don't feel safe.
"I used to wake up in the night and think that my dad was still here and then realise he wasn't.
"I will never get over my dad being killed, I will never forget him and I will miss him for the rest of my life. I hope I make him proud."
Members of the Mouat family, including Alfie's mother and grandparents, comforted each other in court and shed tears as they watched him deliver his statement.
Mihai and Dumitru pleaded guilty to two counts each of manslaughter and counts of administering poison.
Between August 2024 and July 2025, Mihai and Dumitru targeted men who had been seeking sexual services.
The pair took financial deposits from the victims before Mihai met them at their homes.
They secretly spiked their drinks with GBL - a substance which converts into GHB when in the body – to render them unconscious and steal from them.
Two of those men, Gary and Malcolm died.
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