Rap concert
A general view during the Pitbull concert during the closing ceremony for the 2015 Pan Am Games at Pan Am Ceremonies Venue, Toronto, Ontario, Canada, July 26, 2015. Reuters

Hip Hop podcaster Taxstone, whose real name is Daryl Campbell, pleaded guilty to federal gun charges Thursday in relation to the shooting at New York City’s Irving Plaza during a concert May 25, 2016. Taxstone admitted to having a firearm as a felon and receiving a firearm in interstate commerce in connection to last year's shootout, a report said.

Taxstone had a feud with Brooklyn rapper Troy Ave for years and the podcast host was charged for killing Ave's bodyguard Ronald McPhatter during the shootout, the New York Daily News reported.

Campbell faces up to 20 years in federal lockup.

DNA of Taxstone was found on the trigger, hand grip and magazine of 9-millimeter Kel-Tec semiautomatic handgun that was used in the shooting in the V.I.P. green room of a crowded Manhattan concert venue, the New York Times reported referring to a federal complaint.

Read: 5 Times Guns Marred Rappers’ Performances In 2016

The DNA of Ave, whose legal name is Roland Collins, and McPhatter's were also allegedly found on the gun. The Manhattan District Attorney's Office has charged Ave with attempted murder for his alleged involvement in the shooting, according to the New York Daily News.

Taxstone had rivalry with Ave for years as the two often got into fights on Twitter; Taxstone called Ave "a fraud rapper" in a 2005 interview. Taxstone also called him a "bully."

However, federal agents said the feud escalated last year and Taxstone allegedly threatened to shoot Ave, saying, "When I see you walking up with six dudes, bang-ba-ba-ba-ba-ba-ba."

Taxstone hails from Brooklyn and grew up in East New York in "one of the roughest areas of the city." In an interview with a reporter from Huffington Post, Taxstone jokingly said that drug addicts during the time when he was young were more aggressive and scary than the slow moving ones of today.

Taxstone was a "smart student", however he started feeling bored while being in classroom and that eventually led to a troubled life. Trouble in his neighborhood led him to jail and Taxstone said how he spent his 20s in jail, according to a report.

Taxstone is also one of the faces of Black Twitter, cultural identity on Twitter focused on issues of interest to the black community, particularly in the U.S. Lenard McKelvey, professionally known as Charlamagne is a radio presenter and television personality and he had invited Taxstone on one of his shows which got positive remarks. Fans asked for Taxstone's own show. Through the Loud Speakers Network, which is dedicated to giving people a voice, Taxstone got his own showed "Tax Season" that aired in March 2015.

Read: Chris Brown Threatens Soulja Boy With Guns Over Liking Karrueche Tran Instagram Photo

Taxstone was convicted on robbery and weapons charges in 2008 when he served 18 months of a sentence before being released on parole. He was jailed again in 2010 for violating the terms of his release. On that charge, Taxstone served eight months. He was then returned to prison in 2012 for 11 days on a separate parole violation, the New York Daily News reported citing records.