Martin Shkreli threatens Ghostface Killah: 'I'm going to erase you from the record books'

Pharmaceutical executive Martin Shkreli is heaping another controversy to his name, this time about an ongoing public verbal feud with American rapper Ghostface Killah.

The disgraced 32-year old entrepreneur, who is currently facing securities fraud charges, has released a video threatening to erase Ghostface’s contributions from the album “Once Upon a Time in Shaolin.” The record contains songs from the Wu-Tang Clan, a New York-based hip hop group which Ghostface belongs with.

In the video, exclusively released by TMZ, the album is being played in the background. Shkreli is seen with three masked man that he refers to as his goons, as he makes a series of threats to the rapper. Shkerli also called Ghostface with his “government name,” Dennis Coles. [Watch below]

“At the end of the day, I'm very sorry for you," Shkreli said. "You're an old man—an old man that's lost his relevance, and you're trying to claim the spotlight from my spotlight. That's not going to work, Ghost – Dennis.”

Shkreli went on by issuing a warning that he hears any negative comments from Ghostface again, he’s going to edit out all songs with the rapper from the album. Shkreli even implied that Ghostface owes him. “I buttered your bread. Without me, you are nothing,” Shkreli said.

He then threatened the rapper to stop mentioning Shkreli’s name again, or “there will be more of a price to pay than just this video.” Shkreli also mentioned that he’s expecting Ghostface to send a long letter of contrition and apology. The entrepreneur reiterated this demand in his Twitter post.

As mentioned in my video, I expect a written apology, @GhostfaceKillah. At least 500 words, no grammatical errors and Shaolin stays intact.
— Martin Shkreli (@MartinShkreli) January 28, 2016

Ghostface earned Shkreli’s ire last week when the rapper called him unpleasant names, and said that the entrepreneur should release “Once Upon a Time in Shaolin” for free. The rapper also made fun of Shkreli's nose, referring to the entrepreneur as "the Michael Jackson nose kid."

Shkreli, former CEO of Turing Pharmaceuticals AG, received widespread criticism in September 2015 when his company raised the antiparasitic drug Daraprim’s price by more than 5,000 percent after obtaining its manufacturing license. Three months later, he was arrested by the FBI for securities fraud, but was freed when he posted bail for US$5 million (AU$7 million), according to a report by Bloomberg.