London, UK – Just days after his conviction for sexual assault and rape, British comedian Russell Brand is facing a threat from an incarcerated murderer.

As The Sun reported Wednesday, a prisoner named Terngu Agera, who was sentenced to life imprisonment for murder in 2014, spoke out on Snapchat shortly after the Hollywood star was convicted and sentenced to more than a decade in jail.

According to the outlet, the post shows a blurry image that appears to have been recorded inside a cell.

"Russell Brand you naughty boy, we'll be seeing you son," the 35‑year‑old wrote in his post – a threat clearly aimed at the convicted comedian.

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According to Page Six, Brand is currently being held in pre‑trial detention at Wandsworth Prison in south London.

The 51-year-old is expected to remain there for "a few weeks."

After a dramatic trial, Brand was found guilty last week of one rape and three sexual assaults, but was acquitted of two other rapes and one count of attempted indecent assault.

Meanwhile, the Daily Mail reports that Brand – who evolved into a conservative, religious online guru in recent years – has been spending his time behind bars reading for hours, meditating, and praying.