THE father of a teenager stabbed to death on Irvine Beach has blasted one of his son's killers for showing "no remorse and no respect" from behind bars.
It comes after a video was circulated which appears to show Jay Stewart boasting about murdering Kayden Moy from inside HMP Polmont.
The 19-year-old was jailed for life alongside Cole Turley and a 15-year-old boy after they were convicted for their roles in Kayden's murder in May last year.
Footage shared on social media shows Stewart rapping within a cell and appearing to boast about the offence.
Chilling lyrics include "caught the wee c**t and taught him a lesson" and "I’ve already flung KM in a zoot" as well as "wee c**t got f*****g minced".
Kayden's father, Paul Moy, has said that his family have been left devastated after the video surfaced.
He previously spoke of feeling "a measure of justice" after Stewart and Turley were jailed for a minimum of 16 years, and the 15-year-old boy was locked up for at least 14 years.
Speaking on social media, Paul said: "My family was devastated by a leaked video from inside Polmont showing Jay Stewart singing, laughing, and appearing to boast about taking my son's life.
"Nothing will ever prepare a parent for something like this. We live every day with the heartbreak of losing Kayden while the person responsible appears to show no remorse and no respect.
"A prison sentence should never become an opportunity for someone to glorify violence or mock the victims they have left behind."
Police Scotland confirmed an investigation has been opened into the alleged online communication offence.
A spokesperson said: "Enquiries are ongoing following a report of an online communication offence from HM YOI Polmont on Tuesday, July 28, 2026."
The Scottish Prison Service insists that it will work closely with the force to take action against security breaches.
A spokesperson added: "We understand the lasting impact this kind of offending has on families and the significant distress such videos can cause.
"Our staff work hard to keep prisons safe and secure, using all available technology and intelligence to prevent illicit items, including mobile phones, entering our establishments.
"While we do not comment on individuals, we continue to work with Police Scotland and other partners to take action against those who attempt to breach our security."
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