Authorities have accused a North Liberty man and woman of having a methamphetamine lab in their residence.

April Schmelzer, 29, was charged March 29 with controlled-substance violation and gathering for use of drugs. Derek Schmelzer, 29, was charged March 29 with controlled-substance violation, receipt/transportation/possession of a firearm by a felon, and gathering for use of drugs.

According to a North Liberty police complaint, officers with the North Liberty police, the Johnson County Drug Task Force, and the State Patrol served a state of Iowa narcotics search warrant at the Schmelzers’ residence.

During the search, authorities reportedly located several methamphetamine labs that produced or had the potential to produce more than five grams of meth. A small amount of meth, drug paraphernalia, meth lab precursors, and rifle and pistol ammunition was also found.

April Schmelzer allefgedly admitted to supplying pseudoephedrine to Derek Schmelzer, which was used to manufacture methamphetamine.

Derek Schmelzer reportedly told authorities he cooked methamphetamine around six to 12 times; he is a convicted felon for prior drug-related charges.

Both April and Derek Schmelzer reportedly admitted to using drugs at their residence.

Controlled-substance violation is a Class-B felony. Gathering for use of drugs is a Class-D felony. Receipt/transportation/possession of a firearm by a felon is a Class-D felony.

— by Rebecca Morin