SALISBURY — A Greensboro man was charged with possession of heroin and meth and being a felon in possession of a firearm after a 15-month undercover joint investigation, according to the Rowan County Sheriff’s Office.

Daziyah Johvelle Johnson, 27, was charged with possession with intent to sell or deliver methamphetamine; three counts of trafficking in heroin by sale; four counts of trafficking in heroin by possession; four counts of trafficking in heroin by transportation; and possession of a firearm by a felon.

On Nov. 14, the Sheriff’s Office arrested Johnson, assisted by the Salisbury Police Department, Mocksville Police Department and U.S. Department of Homeland Security.

Investigators purchased heroin on multiple occasions from Johnson, along with a 9-millimeter semi-automatic handgun, according to a report. Johnson, a convicted felon, was prohibited from possessing firearms.

Johnson was stopped in a vehicle at the intersection of Faith Road and Bendix Drive on Thursday and arrested. During a search, an investigator found more than 4 grams of heroin and about 28 grams of methamphetamine.

Johnson was placed in the Rowan County Detention Center under a $200,000 secured bond.

Johnson has a criminal history dating to 2008. He has been convicted of breaking and entering, possession of a stolen vehicle, robbery with a dangerous weapon, carrying a concealed gun, reckless driving, and possession of marijuana.

Johnson also has pending drug and traffic charges in Guilford County.

The investigation is ongoing and will be submitted for review by the U.S. Attorney’s Office in Greensboro for possible federal prosecution.