A Bettendorf man, already on parole for manufacturing methamphetamine, has again been arrested and charged with manufacturing the drug.

Mark Herbert Helton, 54, of 3624 State St., Lot 16, was arrested Saturday by Bettendorf police.

Helton is charged with possession with the intent to deliver more than five grams of methamphetamine, a Class B felony under Iowa law that carries a prison sentence of up to 25 years.

He also is facing one charge each of possession of lithium, possession of sodium hydroxide, and possession of ammonia nitrate. Each of the charges is a Class D felony under Iowa law that carries a prison sentence of up to 5 years.

According to the arrest affidavits filed by Bettendorf Police officer Michael Piazza, officers served a search warrant at Helton’s home on Saturday.

During the search, officers said they discovered a methamphetamine lab constructed by Helton.

The lab yielded two bottles of residual sludge from overnight production weighing more than 5 grams, according to the affidavits.

Also found were two balloons containing hydrochloric acid used as generators for the process.

Helton has criminal records in both Scott and Rock Island counties.

In Rock Island County, the record goes back to 1993 on a retail theft conviction, and there are several convictions for theft and drug-related crimes. In 1996 he was sentenced to 3 ½ years in the Illinois Department of Corrections after pleading guilty to a Class 3 felony charge of aggravated battery.

Helton also has numerous drug and theft convictions in Iowa.

The case for which he is currently on parole began with an investigation in May of 2014.

On Nov. 1, 2014, Bettendorf police arrested Helton on a charge of manufacturing methamphetamine and child endangerment charges as he was making methamphetamine while his juvenile son was with him and his son tested positive for meth exposure.

Helton pleaded guilty to both counts and on May 5, 2015, he was sentenced to three years on probation.

He violated his probation and on April 29, 2016, he was sentenced to 10 years in the Iowa Department of Corrections. He was placed on parole August 1.

Due to his arrest, the Iowa Department of Corrections can revoke his parole and place him back in prison to serve the remainder of his sentence on the 2014 case.

Helton was being held Sunday night in the Scott County Jail on $50,000 bond.

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