The parent of murdered schoolboy Jimmy Mizen has told the BBC she worries his slayer became "more aggressive" successful prison.
Jake Fahri, past 19, received a beingness condemnation aft throwing a ample solid crockery that shattered, severing an artery successful the 16-year-old's cervix successful 2008.
The 35-year-old was released connected licence successful June 2023 but recalled connected Thursday aft "shamelessly boasting" astir his crime, the Probation Service said.
Jimmy's parent Margaret called Fahri's earlier condemnation "a waste" of clip and money.
Reports in The Sun paper claimed that Fahri had recorded euphony referencing the execution arsenic masked drill creator TEN.
Two songs by TEN person been played connected BBC Radio 1Xtra's Introducing show, though not those with the evident notation to murder.
"I'm conscionable wondering if successful situation he's go much aggressive, much arrogant than helium was earlier helium went in," Mrs Mizen told BBC Breakfast.
"Because that's what it appears to me."
Ms Mizen said her son's slayer was "just a precise arrogant person"
"Maybe helium conscionable thought that it doesn't substance what helium does, nary one's going to instrumentality immoderate notice.
"But intelligibly idiosyncratic has and present he's backmost successful prison."
Jimmy's begetter Barry antecedently said the concern raised "a fewer questions astir the full [prison] strategy – what's the point?"
A HM Prison and Probation Service spokesperson said Jimmy's household "deserve amended than to spot their son's murderer shamelessly boasting astir his convulsive crime."
They added: "All offenders released connected licence are taxable to strict conditions. As this lawsuit shows, we volition callback them to situation if they interruption the rules."
TEN is simply a drill rap creator whose euphony often features convulsive themes, and who conceals his individuality with a balaclava successful videos.
Some of his lyrics read: "Sharpen up my leaf I've got to support those necessary. Stay alert and kept it ready, immoderate country could beryllium deadly."
Mrs Mizen antecedently said she was disappointed with the BBC for playing TEN's music: "I'll beryllium wanting answers astir that".
She said TEN's "awful [music] videos" incited unit and encouraged young radical to transportation and usage knives.
Action should beryllium taken connected euphony that glamourises specified themes, Mrs Mizen added.
"I commune with my bosom thing happens, that this is each banned - but that's astir apt expecting excessively much."
Fahri's instrumentality to situation would instrumentality the household backmost to the clip of Jimmy's death, Mrs Mizen said.
"This is ne'er going to spell distant for us, I deliberation we've conscionable got to judge that."
Given the accidental to talk with her son's killer, Mrs Mizen said she would inquire him: "Why messiness up your beingness arsenic you have?' Because that's what he's done."
A BBC spokesperson antecedently said: "This idiosyncratic does not diagnostic connected immoderate BBC playlists, we person ne'er played - arsenic we pointed retired to the Sun - the lyrics they person printed.
"He's had 2 different tracks played twice. 1Xtra has nary further plans to play his music, we were not alert of his inheritance and we successful nary mode condone his actions."